Publikationen des Lehrstuhl II für Mathematik
Publications 2025
Discrete Applied Mathematics 363 (2025), 88--104.
Publications 2024
Communications in Combinatorics and Optimization 9 (2024), 159--168.
Mathematical Programming, series B online first (2024)
Networks 83 (2024), no. 1, 53--82.
In 19th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, Springer (2024), .
Computers & Operations Research 161 (2024), no. 106453
Discrete Applied Mathematics 356 (2024), 369--392.
Discrete Math. Algorithms Appl. 16 (2024), 13 pp..
Comput. Sci. J. Moldova 32 (2024), 19--37.
Communications in Combinatorics and Optimization 9 (2024), 339--351.
Opuscula Math. 44 (2024), 285--296.
Publications 2023
Communications in Combinatorics and Optimization 8 (2023), 575--587.
Mathematical Programming Computation 15 (2023), 269--326.
In Integer Programming and Combinatorial Optimization. IPCO 2023, Springer (Del Pia, A. and Kaibel, V. , eds.) (2023), 58--71.
The Electronic Journal of Combinatorics 30 (2023), no. P4.25
Communications in Combinatorics and Optimization 8 (2023), 649-664.
Communications in Combinatorics and Optimization 8 (2023), 431--444.
Discrete Applied Mathematics 333 (2023), 136--150.
Comput. Sci. J. Moldova 31 (2023), no. 2, 169--182.
Discuss. Math. Graph Theory, 43 (2023), 721--730.
Communications in Combinatorics and Optimization 8 (2023), 183--191.
Communications in Combinatorics and Optimization 8 (2023), no. 457--466
Communications in Combinatorics and Optimization 8 (2023), 39-52.
Publications 2022
Annals of Operations Research 312 (2022), 691--722.
Discuss. Math. Graph Theory 42 (2022), 861--891.
arXiv.org (2022), no. 2202.07529
arXiv.org (2022), no. 2206.05820
Bull. Iranian Math. Soc. 48 (2022), 1351--1355.
Optimization Online (2022)
Decision-support systems for ambulatory care, including pandemic requirements: using mathematically optimized solutions

BMC Medical Informatics and Decision Making (2022)
Discrete Mathematics 345 (2022), no. 7, 112873.
RAIRO -- Operations Research 56 (2022), 2293--2304.
RAIRO -- Operations Research 56 (2022), 2235-2243.
Discrete Applied Mathematics 322 (2022), 153--159.
Communications in Combinatorics and Optimization 7 (2022), 17--27.
Publications 2021
Acta Math. Univ. Comenianae 90 (2021), 127--143.
Optimization Online (2021)
Discuss. Math. Graph Theory 41 (2021), 39--49.
Communications in Combinatorics and Optimization 6 (2021), no. 1, 123--136.
European Journal of Operational Research (2021), 1--18.
J. Graph Theory 98 (2021), 426--444.
Patients, primary care, and policy: Agent-based simulation modeling for health care decision support

Health Care Management Science (2021), 1--28.
In Graphs and Combinatorial Optimization: from Theory to Applications, Springer (2021), 145--156.
RAIRO -- Operations Research 55 (2021), S853--S862.
In Network Design with Applications to Transportation and Logistics, Springer (T. G. Crainic and M. Gendreau and B. Gendron, eds.) (2021), 317--343.
Bull. Iranian Math. Soc. 47 (2021), 1315--1323.
Opuscula Math. 41 (2021), 259--268.
Communications in Combinatorics and Optimization 6 (2021), 171--183.
Tamkang J. Math. 52 (2021), 497--508.
Communications in Combinatorics and Optimization 6 (2021), no. 1, 1--15.
Publications 2020
Quaest. Math. 43 (2020), 1065--1082.
Networks (2020), 1--18.
arXiv.org (2020), no. 2005.11062, 1--36.
Operations Research for Health Care 27 (2020)
Optimization Online (2020), 1-17.
J. Combin. Math. Combin. Comput. 115 (2020), 141--171.
In Topics in Domination in Graphs, Springer (T.W. Haynes, S.T. Hedetniemi and M.A. Henning, eds.) (2020), 365--409.
AKCE Int. J. Graphs Combin. 17 (2020), 966--984.
Asian-Eur. J. Math. 13 (2020), no. 8, 12 pp.
Communications in Combinatorics and Optimization 5 (2020), 139--155.
In Topics in Domination in Graphs, Springer (T.W. Haynes, S.T. Hedetniemi and M.A. Henning, eds.) (2020), 151--203.
Communication in Combinatorics and Optimization 5 (2020), 27--39.
Bull. Malays. Math. Sci. Soc. 43 (2020), 4273--4287.
Discrete Appl. Math. 287 (2020), 27--39.
Renewable Energy 152 (2020), 198--207.
Ars Combin. 151 (2020), 77-88.
Contribut. Discrete Math. 15 (2020), 154--162.
Discrete Appl. Math. 283 (2020), 555--564.
Discrete Math. Algorithms Appl. 12 (2020), 12 pp..
Bull. Malays. Math. Sci. Soc. 43 (2020), 1153--1162.
Symmetry 12 (2020), no. 2, 15 pp..
Journal of Comb. Math. and Comb. Comp. 113 (2020), 97--108.
J. Combin. Math. Combin. Comput. 115 (2020), 291--305.
J. Combin. Math. Combin. Comput. 115 (2020), 97--110.
Discuss. Math. Graph Theory 40 (2020), 995--1004.
Communications in Combinatorics and Optimization 5 (2020), 111--123.
Communication in Combinatorics and Optimization 5 (2020), 19--26.
Publications 2019
Optimization Online (2019), 1--23.
EURO Journal on Computational Optimization 7 (2019), no. 1, 15--45.
arXiv.org (2019), no. 1910.11027, 1--30.
Kragujevac J. Math. 43 (2019), 31--47.
J. Combin. Math. Combin. Comput. 110 (2019), 259--277.
J. Combin. Math. Combin. Comput. 108 (2019), 173--185.
Computers & Operations Research 101 (2019), 1--12.
Util. Math. 112 (2019), 225--234.
Computers & Chemical Engineering 124 (2019), 343--349.
Appl. Anal. Discrete Math. 13 (2019), 224--239.
Australas. J. Combin. 74 (2019), 460--475.
Discuss. Math. Graph Theory, 39 (2019), 67--79.
Bull. Malays. Math. Sci. Soc. 42 (2019), 1907--1920.
arXiv.org (2019), no. 1912.10897, 1--10.
Util. Math. 110 (2019), 203--222.
Optimization and Engineering 20 (2019), no. 2, 497--542.
Annals of Operations Research 272 (2019), no. 1--2, 3--28.
Acta Math. Sin. (Engl. Ser.) 35 (2019), 1861-1870.
Discuss. Math. Graph Theory 39 (2019), 455--472.
Archiv der Mathematik 112 (2019), 227--231 .
Journal of Comb. Math. and Comb. Comp. 111 (2019), 269--278.
Discuss. Math. Graph Theory 39 (2019), 567--573.
Communication in Combinatorics and Optimization 4 (2019), 61--70.
Discrete Appl. Math. 258 (2019), 235--241.
J. Combin. Math. Combin. Comput. 110 (2019), 205--216.
Mathematics 7 (2019), no. 820, 17 pp..
Publications 2018
Tamkang J. Math. 49 (2018), 115--127.
Util. Math. 108 (2018), 53--71.
J. Comb. Optim. 36 (2018), 81--89.
Acta Math. Univ. Comenianae 87 (2018), 1--13.
Electronic Notes in Discrete Mathematics 64 (2018), 245--254.
Networks 72 (2018), no. 1, 25--41.
EURO Journal on Computational Optimization 6 (2018), 339--365.
Journal of Combinatorial Optimization 36 (2018), no. 3, 763--788.
Optimization Online (2018), 1--16.
Mathematical Programming, series A 171 (2018), no. 1--2, 55--85.
Journal of Combinatorial Optimization 35 (2018), no. 3, 853--859.
J. University Science Technology China 48 (2018), no. 8, 6 pages.
Graphs Combin. 34 (2018), no. 6, 1269--1277.
Degree sequence conditions for maximally edge-connected and super-edge-connected digraphs depending on the clique number

Discrete Mathematics 341 (2018), no. 2, 484--491.
Discrete Applied Mathematics 243 (2018), 239--247.
Graphs Combin. 34 (2018), no. 6, 1597--1618.
Communication in Combinatorics and Optimization 3 (2018), 71--77.
Communications in Combinatorics and Optimization 3 (2018), 173--178.
J. Combin. Math. Combin. Comput. 105 (2018), 105--116.
J. Combin. Math. Combin. Comput. 104 (2018), 205--215.
Publications 2017
Util. Math. 103 (2017), 245--258.
Discrete Appl. Math. 217 (2017), 394--404.
Australas. J. Combin 69 (2017), 271--285.
Discuss. Math. Graph Theory 37 (2017), 39--53.
RAIRO -- Operations Research 51 (2017), 1331--1343.
Algebra Discrete Math. 24 (2017), 71--89.
J. Comb. Optim. 33 (2017), 713--725.
Discrete Mathematics 340 (2017), no. 10, 2499--2506.
European Journal of Operational Research 260 (2017), no. 3, 829--840.
Networks 70 (2017), no. 4, 342--359.
Networks 69 (2017), 67-82.
Discrete Appl. Math. 218 (2017), 64--70.
Discrete Math. 340 (2017), 2900--2915.
Robust and sustainable supply chains under market uncertainties and different risk attitudes-A case study of the German biodiesel market

European Journal of Operational Research (2017)
European Journal of Operational Research 263 (2017), 35-49.
Electron J. Graph Theory Appl. 5 (2017), 36--42.
Heureka 2017 (to appear) (2017)
Tamkang J. Math. 48 (2017), 265--272.
Util. Math. 104 (2017), 103--113.
Ars Combin. 135 (2017), 357--367.
Util. Math. 104 (2017), 295--306.
Util. Math. 103 (2017), 189--208.
Discuss. Math. Graph Theory 37 (2017), 261--272.
Discuss. Math. Graph Theory 37 (2017), 1027--1038.
Communications in Combinatorics and Optimization 2 (2017), 35--41.
Publications 2016
Ars Combin. 125 (2016), 209--224.
Miskolc Mathematical Notes 17 (2016), no. 1, 3--14.
J. Comb. Optim. 31 (2016), 333-346.
J. Comb. Optim. 32 (2016), 299-317.
Electronic Notes in Discrete Mathematics 52 (2016), 213--220.
Miskolc Mathematical Notes 17 (2016), 749-759.
Ars Combin. 124 (2016), 3--19.
Util. Math. 100 (2016), 309--322.
Asian-Eur. J. Math. 9 (2016), 7 pp.
Opuscula Math. 36 (2016), 145-152.
Tamkang J. Math. 47 (2016), 357--371.
Electronic Notes in Discrete Mathematics (2016), 135-138.
On Robust Lot Sizing Problems with Storage Deterioration, with Applications to Heat and Power Cogeneration

In Combinatorial Optimization, Springer (R. Cerulli, S. Fujishige, A. R. Mahjoub, eds.) (2016), 26--37.
Journal of Network and Systems Management 24 (2016), no. 3, 681--710.
Tamkang J. Math. 47 (2016), 421--432.
Communications in Combinatorics and Optimization 1 (2016), 165--178.
Mathematische Optimierung der Wahlkreiseinteilung für die Deutsche Bundestagswahl - Modelle und Algorithmen für eine bessere Beachtung der gesetzlichen Vorgaben

, Springer Spektrum (2016).
Political Districting for Elections to the German Bundestag: An Optimization-Based Multi-stage Heuristic Respecting Administrative Boundaries

In Operations Research Proceedings 2014, Springer (Marco Lübbecke, Arie Koster, Peter Letmathe, Reinhard Madlener, Britta Peis, Grit Walther, eds.) (2016), 181--187.
An adaptive discretization MINLP algorithm for optimal synthesis of decentralized energy supply systems

Computers & Chemical Engineering 95 (2016), 38--48.
FILOMAT 30 (2016), 2795--2801.
Graphs Combin. 32 (2016), 175-190.
Graphs Combin. 32 (2016), 1155-1166.
RAIRO -- Operations Research 50 (2016), 233--239.
Ars Combin. 128 (2016), 415--428.
AKCE Int. J. Graphs Combin. 13 (2016), 16--21.
Discuss. Math. Graph Theory 36 (2016), 467-477.
J. Comb. Optim. 32 (2016), no. 2, 639--644.
Ars Combin. 126 (2016), 73--86.
Kyungpook Math. J. 56 (2016), 69-81.
Aequationes Math. 90 (2016), 271--279.
Discrete Appl. Math. 214 (2016), 179--186.
Graphs Combin. 32 (2016), 1217-1227.
J. Comb. Optim. 32 (2016), 855--871.
Sufficient conditions on the zeroth-order general Randic index for maximally edge-connected digraphs
Communication in Combinatorics and Optimization 1 (2016), 1--13.
Australas. J. Combin 64 (2016), 444-457.
Publications 2015
FILOMAT 29 (2015), 1361-1368.
Asian-Eur. J. Math. 8 (2015), no. 2, 8 pp..
Discuss. Math. Graph Theory 35 (2015), 261-270.
Graphs Combin. 31 (2015), 813-825.
Optimization Online (2015)
Asia-Pacific Journal of Operational Research 32 (2015), no. 5, 1550038-1--27.
Discrete Optimization 18 (2015), 123--149.
Mat. Vesnik 67 (2015), 102-114.
Ars Combin. 123 (2015), 169-184.
Discrete Appl. Math. 186 (2015), 98-105.
Discuss. Math. Graph Theory 35 (2015), 651-662.
Telecommunication Systems 60 (2015), no. 4, 423--450.
Journal of Comb. Math. and Comb. Comp. 94 (2015), 205--214.
J. Comb. Optim. 30 (2015), 456-467.
Discrete Math. Algorithms Appl. 7 (2015), no. 2, 12 pp..
Adv. Stud. Contemp. Math. (Kyungshang) 25 (2015), 395-405.
Electron J. Graph Theory Appl. 3 (2015), 85-93.
Discrete Appl. Math. 180 (2015), 150-157.
Bull. Malays. Math. Sci. Soc. 38 (2015), 1527-1536.
Discuss. Math. Graph Theory 35 (2015), 641-650.
Publications 2014
Mathematical Programming, series A 143 (2014), no. 1--2, 87--110.
IEEE Communications Magazine 52 (2014), no. 2, 178--185.
Theoretical Computer Science 553 (2014), 64--73.
Ars Combin. 113 (2014), 33-46.
In Operations Research Proceedings 2012, Springer (2014), 115--121.
INFORMS Journal on Computing 26 (2014), no. 4, 893--909.
J. Combin. Math. Combin. Comput. 89 (2014), 53-64.
Discrete Appl. Math. 174 (2014), 133-139.
FILOMAT 28 (2014), no. 3, 615-622.
Ars Combin. 113A (2014), 201-224.
Util. Math. 93 (2014), 267-277.
Discrete Mathematics 328 (2014), no. C, 42--53.
Acta Math. Univ. Comenianae, New Ser. 83 (2014), 19-28.
Opuscula Math. 34 (2014), 609-620.
Util. Math. 95 (2014), 189-197.
Util. Math. 94 (2014), 183-197.
Cent. Eur. J. Math. 12 (2014), 517-528.
FILOMAT 28 (2014), 2121-2130.
Publications 2013
IEEE Communication Letters 17 (2013), no. 7, 1463--1466.
European Journal of Operational Research 227 (2013), no. 1, 22--29.
Kragujevac J. Math. 37 (2013), 257-268.
Trans. Comb. 2 (2013), 1-13.
Discuss. Math. Graph Theory 33 (2013), 717-730.
Bull. Malays. Math. Sci. Soc. 36 (2013), no. 2, 39-47.
Fasciculi Mathematici 51 (2013), 33-43.
A robust optimisation model and cutting planes for the planning of energy-efficient wireless networks

Computers & Operations Research 40 (2013), no. 1, 80--90.
EURO Journal on Computational Optimization 1 (2013), no. 3, 253-281.
On coordinated cutting plane generation and mixed integer programs with nonconvex 2-norm constraints
Operations Research Quarterly 11 (2013), no. 1, 95--96.
Australas. J. Combin 57 (2013), 271--279.
Util. Math. 92 (2013), 73-88.
Acta Math. Sin. (Engl. Ser.) 29 (2013), 1033-1042.
J. Combin. Math. Combin. Comput. 87 (2013), 3-19.
Discrete Appl. Math. 161 (2013), 3087-3089.
Graphs Combin. 29 (2013), 527--533.
Networks 61 (2013), no. 2, 128–-149.
Electronic Notes in Discrete Mathematics 41 (2013), 69-76.
SIAM J. Discrete Math. 27 (2013), no. 1, 257--265.
J. Combin. Math. Combin. Comput. 87 (2013), 199-208.
Mat. Vesnik (2013), no. 65, 387--393.
Discuss. Math. Graph Theory 33 (2013), 709-715.
Discrete Appl. Math. 161 (2013), 2169-2177.
Australas. J. Combin. 57 (2013), 39--48.
Ars Combin. 111 (2013), 463--472.
Aequationes Math. 86 (2013), 279-287.
Bull. Malays. Math. Sci. Soc. 36 (2013), no. 2, 143-150.
Publications 2012
Bull. Inst. Combin. Appl. 66 (2012), 72--88.
Transactions on Combinatorics 1 (2012), no. 1, 45-51.
AKCE Int. J. Graphs Comb. 9 (2012), no. 2, 205-212.
Acta Math. Univ. Comenianae 81 (2012), no. 1, 9-14.
Theory of Computing Systems 50 (2012), no. 3, 420--432.
ACM Transactions on Algorithms 9 (2012), no. 1, Art 12.
Networks 59 (2012), no. 1, 181 -- 189.
Der Mathematikunterricht (2012), 52-63.
Graphs Combin. 28 (2012), no. 1, 1-55.
AKCE Int. J. Graphs Comb. 9 (2012), no. 2, 195-203.
Opuscula Math. 32 (2012), no. 1, 83-89.
FILOMAT 26 (2012), 1257--1262.
EURASIP Journal on Wireless Communications and Networking (2012), no. 253, 1-14.
Discrete Appl. Math. 160 (2012), no. 9, 1345-1355.
In Topics in Structural Graph Theory, Cambrige University Press (L.W. Beineke and R. Wilson, eds.) (2012), 40--70.
Discrete Appl. Math. 160 (2012), no. 12, 1775-1781.
J. Combin. Math. Combin. Comput. 83 (2012), 121-128.
Aequationes Math. 83 (2012), no. 1-2, 87-96.
Discrete Math. Algorithms Appl. 4 (2012), no. 1, 11 pages.
Ann. Math. Inform. 40 (2012), 105-112.
J. Comb. Optim. 23 (2012), no. 2, 252-260.
Discuss. Math. Graph Theory 32 (2012), no. 3, 461-471.
Ars Combin. 105 (2012), 53-64.
J. Combin. Math. Combin. Comput. 81 (2012), 151-159.
Discrete Mathematics 312 (2012), no. 2, 465-471.
Ars Combin. 104 (2012), 179-184.
Util. Math. 89 (2012), 79-95.
Discuss. Math. Graph Theory 32 (2012), no. 1, 129-140.
Math. Commun. 17 (2012), no. 1-2, 537-546.
Publications 2011
Kragujevac J. Math. 35 (2011), 359-368.
Information and Computation 209 (2011), no. 7, 1103--1119.
Optimization Letters 5 (2011), no. 3, 379--392.
Networks 57 (2011), no. 1, 106 -- 113.
Discuss. Math. Graph Theory 31 (2011), 687-697.
On coordinated cutting plane generation and mixed integer programs with nonconvex 2-norm constraints
PhD thesis from Dipartimento di Elettronica e Informazione, Politecnico di Milano (2011).
On coordinated cutting plane generation and mixed integer programs with nonconvex 2-norm constraints
PhD thesis from Dipartimento di Elettronica e Informazione, Politecnico di Milano (2011).
AKCE Int. J. Graphs Combin. 8 (2011), 169-180.
Discrete Appl. Math. 159 (2011), 1110--1117.
J. Combin. Math. Combin. Comput. 77 (2011), 89--101.
Util. Math. 86 (2011), 129-146.
Int. J. Comput. Math. 88 (2011), no. 5, 905--915.
Australas. J. Combin. 51 (2011), 115-124.
Ars Combin. 101 (2011), 405--415.
Australas. J. Combin. 51 (2011), 29-40.
Graphs Combin. 27 (2011), 531--538.
Discuss. Math. Graph Theory 31 (2011), 763-773.
AKCE Int. J. Graphs Combin. 8 (2011), 75-83.
An. Stiint. Univ. ``Ovidius' Constanta Ser. Mat. 19 (2011), 167-174.
Ann. Math. Inform. 38 (2011), 45-57.
Wiley Encyclopedia of Operations Research and Management Science Treewidth, Tree Decompositions, and Brambles

In Wiley Encyclopedia of Operations Research and Management Science, Wiley (2011), .
Appl. Math. Lett. 24 (2011), 1758--1761.
Aequationes Math. 82 (2011), 25--34.
Networks 57 (2011), 141--156.
PhD thesis from RWTH Aachen University (2011).
Contribut. Discrete Math. 6 (2011), 20-31.
AKCE Int. J. Graphs Combin. 8 (2011), 161-168.
Acta Univ. Apulensis Math. Inform 27 (2011), 77-86.
Acta Math. Sin. (Engl. Ser.) 27 (2011), 1899-1906.
Util. Math. 85 (2011), 213--223.
Math. Slovaca 61 (2011), 851-858.
Appl. Math. Lett. 24 (2011), 196--198.
Discuss. Math. Graph Theory 31 (2011), 699-707.
Ars Combin. 99 (2011), 55--64.
, RWTH Aachen (2011).
Util. Math. 85 (2011), 113--127.
Discuss. Math. Graph Theory 31 (2011), 415--427.
J. Combin. Math. Combin. Comput. 77 (2011), 45--49.
Discrete Appl. Math. 159 (2011), 832--837.
Publications 2010
Discrete Appl. Math. 158 (2010), 213--218.
Cent. Eur. J. Math. 8 (2010), 1048--1057.
Information and Computation 208 (2010), 259-275.
, Spektrum (2010).
Algorithms -- EAS 2010 6346 (2010), 350 -- 361.
J. Combin. Math. Combin. Comput. 73 (2010), 65--75.
Discuss. Math. Graph Theory 30 (2010), 265--274.
Australas. J. Combin 47 (2010), 125--131.
Electron. J. Combin. 17 (2010), no. R 157, 11 pp.
J. Graph Theory 64 (2010), 323--329.
An. Stiint. Univ. ``Ovidius" Constanta Ser. Mat. 18 (2010), no. (1), 127--138.
Int. J. Comput. Math. 87 (2010), no. 13, 2915--2924.
Discrete Math. 310 (2010), 2140--2146.
J. Graph Theory 63 (2010), 192--197.
In Graphs and Algorithms in Communication Networks, Springer Berlin Heidelberg (Koster, Arie M.C.A. and Muñoz, X., eds.) (2010), 1--59.
In Graphs and Algorithms in Communication Networks, Springer Berlin Heidelberg (Koster, Arie M.C.A. and Muñoz, X., eds.) (2010), 95--118.
Discrete Math. 310 (2010), no. 13-14, 1940--1948.
J. Graph Theory 63 (2010), no. 1, 82--92.
Discrete Math. 310 (2010), no. 4, 850--860.
Ann. Math. Inform. 37 (2010), 139--149.
AKCE Int. J. Graphs Comb. 7 (2010), 189--199.
An. Stiint. Univ. ``Ovidius" Constanta Ser. Mat. 18 (2010), no. (2), 241--252.
Appl. Math. Lett. 23 (2010), 1295--1300.
Proceedings
Combinatorica 30 (2010), no. 6, 735-743.
Czechoslovak Math. J. 60 (2010), 77--83.
Util. Math. 82 (2010), 3--10.
Australas. J. Combin. 47 (2010), 83--89.
Ars Combin. 96 (2010), 105--114.
J. Combin. Math. Combin. Comput. 72 (2010), 211--230.
Acta Math. Sin. (Engl. Ser.) 26 (2010), 1403--1412.
Publications 2009
In Robust and Online Large-Scale Optimization, Springer (2009), 231 -- 248.
Discuss. Math. Graph Theory, 29 (2009), 597--613.
Australas. J. Combin. 45 (2009), 87--96.
Discrete Math. 309 (2009), 2943--2947.
Inform. Process. Lett. 109 (2009), 971--973.
Discrete Math. 309 (2009), no. 6, 1334--1346.
Australas. J. Combin. 44 (2009), 247--254.
J. Combin. Math. Combin. Comput. 68 (2009), 245--255.
Discrete Appl. Math. 157 (2009), no. 7, 1634--1639.
Discrete Math. 309 (2009), 3131--3149.
Discrete Math. 309 (2009), 6065--6069.
J. Korean Math. Soc. 46 (2009), 1309--1318.
Czechoslovak Math. J. 59 (2009), 539--550.
Algorithmica 55 (2009), 375--391.
Discrete Math. 309 (2009), no. 8, 2608--2612.
Australas. J. Combin. 44 (2009), 123--152.
Solution of a conjecture of Volkmann on longest paths through an arc in strongly connected in-tournaments

J. Graph Theory 60 (2009), no. 2, 130--148.
Math. Methods Oper. Res. 69 (2009), no. 2, 369--374.
Discrete Math. 309 (2009), no. 8, 2042--2052.
Discrete Appl. Math. 157 (2009), no. 8, 1905--1912.
Discrete Math. 309 (2009), no. 6, 1703--1707.
Util. Math. 79 (2009), 81--90.
J. Combin. Math. Combin. Comput. 68 (2009), 193--204.
Australas. J. Combin. 45 (2009), 207--215.
Appl. Math. Lett. 22 (2009), 1166--1169.
Discrete Math. 309 (2009), no. 4, 1013--1017.
Publications 2008
AKCE Int. J. Graphs Comb. 5 (2008), no. 2, 169-177.
Algorithmica 51 (2008), 81--98.
The Computer Journal 51 (2008), no. 3, 255--269.
J. Math. Anal. Appl. 346 (2008), no. 1, 218--226.
Discrete Math. 308 (2008), no. 15, 3187--3198.
J. Graph Theory 57 (2008), no. 1, 33--40.
Australas. J. Combin. 40 (2008), 265--268.
, Birkh (2008).
Util. Math. 77 (2008), 265--276.
Discrete Math. 308 (2008), no. 11, 2277--2281.
Discrete Math. 308 (2008), no. 15, 3265--3296.
Discrete Appl. Math. 156 (2008), no. 17, 3325--3328.
Discuss. Math. Graph Theory 28 (2008), no. 2, 361--366.
In Telecommunications Modeling, Policy, and Technology, Springer (S. Raghavan, Bruce Golden, Edward Wasil, eds.) (2008), 1--23.
RAIRO -- Operations Research 42 (2008), 485--500.
Discrete Math. 308 (2008), no. 11, 2115--2133.
Discrete Math. 308 (2008), no. 24, 6513--6526.
Australas. J. Combin. 40 (2008), 269--278.
Networks 52 (2008), no. 4, 252--255.
Discrete Math. 308 (2008), no. 23, 5562--5569.
Ars Combin. 87 (2008), 359--375.
Australas. J. Combin. 41 (2008), 219--222.
J. Combin. Math. Combin. Comput. 64 (2008), 227--235.
Appl. Math. Lett. 21 (2008), no. 1, 63--66.
Discrete Math. 308 (2008), no. 9, 1710--1721.
Discrete Math. 308 (2008), no. 23, 5516--5521.
Kyungpook Math. J. 48 (2008), no. 2, 287--302.
Australas. J. Combin. 42 (2008), 165--170.
Publications 2007
Annals of Operations Research 153 (2007), 79--129.
Australas. J. Combin. 39 (2007), 283--292.
Discrete Applied Mathematics 155 (2007), 1348--1372.
Discrete Appl. Math. 155 (2007), no. 16, 2111--2117.
Ars Combin. 83 (2007), 295--306.
Int. J. Tomogr. Stat. 6 (2007), no. S07, 21--26.
Algorithmica 47 (2007), no. 2, 139--158.
Australas. J. Combin. 39 (2007), 115--127.
Electron. J. Combin. 14 (2007), no. R 35, 10 pp.
Discuss. Math. Graph Theory 27 (2007), no. 1, 93--103.
Int. J. Tomogr. Stat. 7 (2007), no. F07, 43--48.
Czechoslovak Math. J. 57(132) (2007), no. 3, 907--918.
Ars Combin. 85 (2007), 99--106.
Statistica Neerlandica 61 (2007), no. 1, 115--136.
PhD thesis from RWTH Aachen University (2007).
Australas. J. Combin. 39 (2007), 301--315.
Appl. Math. Lett. 20 (2007), no. 1, 98--102.
An. Univ. Bucurecsti Mat. 56 (2007), no. 1, 91--120.
Discrete Math. 307 (2007), no. 24, 3213--3219.
Appl. Math. Lett. 20 (2007), no. 11, 1148--1150.
Electron. J. Combin. 14 (2007), no. 1, note 10, 2 pp. .
Discrete Math. 307 (2007), no. 24, 3207--3212.
Util. Math. 73 (2007), 45--54.
Discrete Math. 307 (2007), no. 24, 3097--3129.
Inform. Process. Lett. 103 (2007), no. 6, 234--239.
J. Combin. Math. Combin. Comput. 61 (2007), 159--167.
J. Korean Math. Soc. 44 (2007), no. 3, 683--695.
Publications 2006
Util. Math. 71 (2006), 209--216.
Discrete Math. 306 (2006), no. 17, 2031--2037.
Discrete Mathematics 306 (2006), no. 3, 337--350.
Journal of Graph Algorithms and Applications 10 (2006), no. 1, 5--49.
J. Approx. Theory 138 (2006), no. 1, 1--36.
, Birkh (2006).
Inform. Process. Lett. 99 (2006), no. 2, 41--46.
J. Graph Theory 52 (2006), no. 1, 7--14.
J. Combin. Math. Combin. Comput. 57 (2006), 187--209.
Discuss. Math. Graph Theory 26 (2006), no. 2, 181--192.
Multidimens. Syst. Signal Process. 17 (2006), no. 2-3, 257--270.
Australas. J. Combin. 34 (2006), 187--194.
Electronic Notes in Discrete Mathematics 25 (2006), 177--181.
Australas. J. Combin. 35 (2006), 133--140.
Discuss. Math. Graph Theory 26 (2006), no. 2, 209--215.
Appl. Math. Lett. 19 (2006), no. 11, 1255--1260.
, Rheinisch-Westfaelische Technische Hochschule Aachen (2006).
Discrete Math. 306 (2006), no. 22, 2931--2942.
Discrete Math. 306 (2006), no. 12, 1198--1206.
Ars Combin. 81 (2006), 3--22.
Czechoslovak Math. J. 56(131) (2006), no. 3, 827--843.
Discrete Appl. Math. 154 (2006), no. 9, 1437--1452.
Discrete Math. 306 (2006), no. 21, 2724--2732.
Publications 2005
Internat. J. Robust Nonlinear Control 15 (2005), no. 2, 55--62.
Eur. J. Control 11 (2005), no. 6, 632--644.
Discuss. Math. Graph Theory 25 (2005), no. 3, 355--361.
Computational Intelligence 21 (2005), no. 3, 286--305.
Ars Combin. 77 (2005), 289--294.
Ars Combin. 76 (2005), 249--255.
Util. Math. 67 (2005), 223--227.
Discrete Appl. Math. 145 (2005), no. 3, 483--489.
Discrete Math. 305 (2005), no. 1-3, 190--200.
Discrete Math. 292 (2005), no. 1-3, 55--65.
Australas. J. Combin. 33 (2005), 265--277.
J. Graph Theory 48 (2005), no. 3, 228--246.
In TutORials 2005, INFORMS Annual Meeting (J. Cole Smith, eds.) (2005), 1--29.
Graphs Combin. 21 (2005), no. 4, 421--425.
, Universidade de Coimbra Departamento de Matem (2005).
Discrete Optimization 2 (2005), no. 3, 241--255.
Journal of Network and Systems Management 13 (2005), no. 1, 35--55.
Results Math. 47 (2005), no. 3-4, 335--339.
Combin. Probab. Comput. 14 (2005), no. 1-2, 191--202.
J. Combin. Math. Combin. Comput. 54 (2005), 195--212.
Australas. J. Combin. 31 (2005), 119--134.
Util. Math. 68 (2005), 71--77.
J. Combin. Math. Combin. Comput. 52 (2005), 131--141.
Australas. J. Combin. 31 (2005), 61--84.
Discrete Appl. Math. 150 (2005), no. 1-3, 261--267.
Inform. Process. Lett. 94 (2005), no. 4, 191--195.
Publications 2004
Discrete Math. 274 (2004), no. 1-3, 1--8.
Discuss. Math. Graph Theory 24 (2004), no. 3, 423--430.
, Rheinisch-Westfälische Technische Hochschule Aachen (2004).
J. Combin. Math. Combin. Comput. 48 (2004), 217--222.
Graphs Combin. 20 (2004), no. 2, 185--190.
In Erster Aachener Tag der Graphentheorie, Rheinisch-Westf (2004), 47--52.
Inform. Process. Lett. 91 (2004), no. 1, 7--10.
Ars Combin. 72 (2004), 295--306.
Results Math. 45 (2004), no. 1-2, 45--58.
Discrete Math. 283 (2004), no. 1-3, 113--120.
Electron. J. Combin. 11 (2004), no. R 7, 7 pp .
Discrete Math. 278 (2004), no. 1-3, 127--138.
, Kluwer Academic Publishers (2004).
Discrete Math. 285 (2004), no. 1-3, 227--238.
Discrete Math. 281 (2004), no. 1-3, 255--266.
Kyungpook Math. J. 44 (2004), no. 2, 219--247.
J. Combin. Math. Combin. Comput. 51 (2004), 203--204.
Discrete Math. 285 (2004), no. 1-3, 359--364.
Math. Bohem. 129 (2004), no. 3, 273--282.
J. Combin. Math. Combin. Comput. 50 (2004), 195--205.
Australas. J. Combin. 29 (2004), 119--126.
J. Combin. Math. Combin. Comput. 49 (2004), 3--8.
Combinatorica 24 (2004), no. 3, 531--540.
Discrete Math. 287 (2004), no. 1-3, 193--194.
Discrete Math. 285 (2004), no. 1-3, 267--278.
J. Combin. Math. Combin. Comput. 49 (2004), 195--210.
Discrete Math. 283 (2004), no. 1-3, 217--229.
Discrete Math. 281 (2004), no. 1-3, 267--276.
In Erster Aachener Tag der Graphentheorie, Rheinisch-Westfälisch Technische Hochschule Aachen (2004), 41--46.
Australas. J. Combin. 29 (2004), 49--57.
Publications 2003
4OR 1 (2003), no. 4, 261--317.
, Birkh (2003).
TeleKommunikation Aktuell 57 (2003), no. 07+08, 1--62.
Australas. J. Combin. 28 (2003), 121--129.
J. Combin. Math. Combin. Comput. 45 (2003), 195--207.
Discrete Appl. Math. 128 (2003), no. 2-3, 375--385.
J. Combin. Math. Combin. Comput. 47 (2003), 183--188.
Discrete Math. 260 (2003), no. 1-3, 197--203.
Discrete Math. 260 (2003), no. 1-3, 57--67.
Util. Math. 63 (2003), 229--238.
J. Combin. Math. Combin. Comput. 47 (2003), 237--249.
Australas. J. Combin. 27 (2003), 23--32.
Discrete Applied Mathematics 133 (2003), 103--121.
IEEE Trans. Automat. Control 48 (2003), no. 2, 267--271.
Discrete Appl. Math. 125 (2003), no. 2-3, 225--233.
Acta Math. Hungar. 100 (2003), no. 1-2, 31--36.
Discrete Math. 263 (2003), no. 1-3, 297--303.
Discrete Math. 270 (2003), no. 1-3, 241--250.
Ars Combin. 66 (2003), 193--203.
Ars Combin. 68 (2003), 181--192.
J. Graph Theory 42 (2003), no. 3, 234--245.
Ars Combin. 67 (2003), 237--249.
Australas. J. Combin. 27 (2003), 223--245.
Publications 2002
Discrete Math. 256 (2002), no. 1-2, 431--439.
Discrete Math. 250 (2002), no. 1-3, 233--239.
Discussiones Mathematicae Graph Theory 22 (2002), no. 1, 51--88.
DMV-Mitteilungen (2002), no. 1, 18--25.
Z. Naturforsch. 57 a (2002), 49-52.
Discrete Appl. Math. 122 (2002), no. 1-3, 127--137.
Discrete Appl. Math. 120 (2002), no. 1-3, 97--107.
Australas. J. Combin. 25 (2002), 117--124.
Mathematical Programming, series A 92 (2002), no. 2, 335--358.
Combinatorica 22 (2002), no. 3, 409--416.
Int. J. Appl. Math. Comput. Sci. 12 (2002), no. 2, 181--195.
Networks 40 (2002), no. 3, 170--180.
Mathematical Methods of Operations Research 56 (2002), no. 1, 45--65.
Discrete Appl. Math. 120 (2002), no. 1-3, 219--237.
J. Combin. Theory Ser. A 99 (2002), no. 2, 297--306.
Discrete Math. 259 (2002), no. 1-3, 331--336.
J. Graph Theory 41 (2002), no. 1, 18--23.
Discrete Math. 259 (2002), no. 1-3, 325--330.
Discrete Math. 242 (2002), no. 1-3, 201--228.
Complex Var. Theory Appl. 47 (2002), no. 8, 727--729.
J. Combin. Math. Combin. Comput. 41 (2002), 187--191.
Discrete Math. 245 (2002), no. 1-3, 19--53.
Australas. J. Combin. 26 (2002), 121--133.
Discrete Math. 258 (2002), no. 1-3, 331--337.
Discrete Math. 254 (2002), no. 1-3, 539--554.
J. Graph Theory 41 (2002), no. 4, 292--306.
Publications 2001
Discrete Math. 234 (2001), no. 1-3, 133--138.
J. Optim. Theory Appl. 110 (2001), no. 3, 515--544.
Pure Math. Appl. 12 (2001), no. 1, 51--65.
Electronic Notes in Discrete Mathematics 8 (2001), 54--57.
Discrete Math. 231 (2001), no. 1-3, 453--457.
J. Graph Theory 36 (2001), no. 2, 84--104.
Ars Combin. 58 (2001), 271--278.
Publications 2000
In 6th International Conference on Graph Theory (Marseille, 2000), Elsevier (2000), 4 pp. (electron.
Discrete Math. 211 (2000), no. 1-3, 217--223.
Complex Variables Theory Appl. 41 (2000), no. 2, 189--206.
Discrete Math. 224 (2000), no. 1-3, 265--271.
In 6th International Conference on Graph Theory (Marseille, 2000), Elsevier (2000), 3 (electronic).
European Journal of Operational Research 127 (2000), 189--202.
Results Math. 37 (2000), no. 1-2, 84--103.
Discrete Math. 212 (2000), no. 1-2, 91--100.
Ricerca Operativa 30 (2000), no. 94--95, 101--116.
, Aachener Beitraege zur Mathematik (2000).
Australas. J. Combin. 21 (2000), 95--106.
In Encyclopaedia of Mathematics, Supplement II, Springer (M. Hazewinkel, eds.) (2000), 482--484.
Publications 1999
IEEE Trans. Automat. Control 44 (1999), no. 3, 556--560.
In 6th Twente Workshop on Graphs and Combinatorial Optimization (Enschede, 1999), Elsevier (1999), 4 (electronic).
In Computational methods and function theory 1997 (Nicosia), World Sci. Publ., River Edge, NJ (1999), 285--302.
PhD thesis from UM (1999).
Electronic Notes in Discrete Mathematics 3 (1999), 102--105.
Util. Math. 55 (1999), 65--72.
Discrete Math. 197/198 (1999), 769--779.
J. Combin. Math. Combin. Comput. 31 (1999), 85--90.
Discrete Math. 199 (1999), no. 1-3, 279--284.
Australas. J. Combin. 20 (1999), 189--196.
Publications 1998
, Kluwer Academic Publishers Group (1998).
In Domination in graphs: Advanced Topics, Marcel Dekker, New York - Basel - Hong Kong (T.W. Haynes, S.T. Hedetniemi, P.J. Slater, eds.) (1998), 471--489.
In Generalized analytic functions (Graz, 1997), Kluwer Acad. Publ. (1998), xvii--xxvi.
Operations Research Letters 23 (1998), no. 3--5, 89--97.
Discrete Math. 191 (1998), no. 1-3, 159--169.
Australas. J. Combin. 17 (1998), 267--274.
Discrete Math. 187 (1998), no. 1-3, 185--193.
Australas. J. Combin. 18 (1998), 293--301.
Discrete Math. 178 (1998), no. 1-3, 221--228.
Publications 1997
In Combinatorics, geometry and probability (Cambridge, 1993), Cambridge Univ. Press (1997), 51--61.
In The mathematics of Paul Erdos, II, Springer (1997), 43--50.
Discrete Math. 167/168 (1997), 101--114.
J. Graph Theory 26 (1997), no. 1, 27--34.
Discrete Math. 164 (1997), no. 1-3, 165--170.
Discrete Appl. Math. 79 (1997), no. 1-3, 127--135.
Ars Combin. 46 (1997), 211--217.
Publications 1996
J. Graph Theory 21 (1996), no. 2, 163--172.
J. Dynam. Control Systems 2 (1996), no. 4, 529--547.
IEEE Trans. Automat. Control 41 (1996), no. 2, 264--269.
J. Combin. Theory Ser. B 66 (1996), no. 1, 140--145.
J. Graph Theory 21 (1996), no. 2, 121--136.
Complex Variables Theory Appl. 29 (1996), no. 4, 313--318.
Ann. Acad. Sci. Fenn. Math. 21 (1996), no. 2, 353--366.
Ars Combin. 42 (1996), 33--47.
Discrete Math. 154 (1996), no. 1-3, 167--178.
Discrete Appl. Math. 66 (1996), no. 2, 185--188.
J. Graph Theory 22 (1996), no. 1, 89--93.
Combinatorica 16 (1996), no. 2, 259--268.
Period. Math. Hungar. 33 (1996), no. 2, 153--161.
, Springer-Verlag, Wien New York (1996).
Publications 1995
Automatica J. IFAC 31 (1995), no. 5, 765--768.
Discrete Math. 144 (1995), no. 1-3, 3--10.
In Wissenschaft zwischen technischer und gesellschaftlicher Herausforderung. Die RWTH Aachen 1970 - 1995, Einhard-Verlag (Univ.-Prof. Dr. Klaus Habetha, eds.) (1995), 186-195.
Ars Combin. 40 (1995), 270--278.
Z. Anal. Anwendungen 14 (1995), no. 2, 259--284.
Graphs Combin. 11 (1995), no. 1, 49--52.
Australas. J. Combin. 11 (1995), 169--175.
Ars Combin. 41 (1995), 45--56.
Jahresber. Deutsch. Math.-Verein. 97 (1995), no. 1, 19--42.
Publications 1994
IEEE Trans. Automat. Control 39 (1994), no. 8, 1631--1636.
Graphs Combin. 10 (1994), no. 1, 1--10.
Discrete Math. 136 (1994), no. 1-3, 3--20.
J. Graph Theory 18 (1994), no. 3, 269--280.
J. Combin. Theory Ser. B 62 (1994), no. 2, 363--366.
Discrete Math. 135 (1994), no. 1-3, 121--127.
Australas. J. Combin. 9 (1994), 307--314.
Discrete Math. 131 (1994), no. 1-3, 279--285.
Discrete Math. 125 (1994), no. 1-3, 371--376.
SIAM J. Comput. 23 (1994), no. 2, 247--254.
Discrete Appl. Math. 51 (1994), no. 1-2, 211--217.
Publications 1993
Systems Control Lett. 21 (1993), no. 4, 295--306.
Combin. Probab. Comput. 2 (1993), no. 2, 103--113.
Discrete Math. 115 (1993), no. 1-3, 1--9.
Fuzzy Sets and Systems 55 (1993), no. 2, 235--236.
J. Graph Theory 17 (1993), no. 3, 315--323.
Discrete Math. 118 (1993), no. 1-3, 289--292.
J. Graph Theory 17 (1993), no. 6, 695--700.
Fuzzy Sets and Systems 58 (1993), no. 3, 339--342.
Fuzzy Sets and Systems 53 (1993), no. 2, 189--192.
Publications 1992
In Computational and applied mathematics, II (Dublin, 1991), North-Holland (1992), 247--251.
In Combinatorics '90 (Gaeta, 1990), North-Holland (1992), 1--9.
Complex Variables Theory Appl. 18 (1992), no. 1-2, 79--84.
J. Symbolic Comput. 14 (1992), no. 1, 85--92.
Adv. in Appl. Math. 13 (1992), no. 1, 1--47.
J. Austral. Math. Soc. Ser. B 34 (1992), no. 1, 112--131.
Math. Slovaca 42 (1992), no. 2, 153--171.
Ars Combin. 33 (1992), 199--215.
Appl. Math. Lett. 5 (1992), no. 2, 19--20.
Publications 1991
In Algebraic computing in control (Paris, 1991), Springer (1991), 354--363.
Math. Pannon. 2 (1991), no. 2, 37--46.
Bull. London Math. Soc. 23 (1991), no. 2, 121--122.
Discuss. Math. 11 (1991), 27--34 .
Discrete Math. 96 (1991), no. 1, 75--80.
Discrete Math. 96 (1991), no. 3, 229--238.
, Springer-Verlag, Wien New York (1991).
Publications 1990
In Topics in combinatorics and graph theory (Oberwolfach, 1990), Physica (1990), 29--36.
SIAM J. Discrete Math. 3 (1990), no. 4, 439--449.
In Contemporary methods in graph theory, Bibliographisches Inst. (1990), 31--45.
Discrete Math. 80 (1990), no. 2, 145--151.
Complex Variables Theory Appl. 13 (1990), no. 3-4, 195--212.
J. Graph Theory 14 (1990), no. 2, 225--246.
Results Math. 17 (1990), no. 3-4, 333--341.
Math. Pannonica 1/2 (1990), 55--66.
J. Complexity 6 (1990), no. 2, 166--169.
In Contemporary Methods in Graph Theory, Bibliographisches Inst. (R. Bodendiek, eds.) (1990), 667--672.
Complex Variables Theory Appl. 14 (1990), 207-210.
Publications 1989
In Complex methods on partial differential equations, Akademie-Verlag (1989), 55--76.
J. Combin. Inform. System Sci. 14 (1989), no. 4, 249--250.
In Optimization (Varetz, 1988), Springer (1989), 171--176.
J. Graph Theory 13 (1989), no. 1, 1--6.
, Springer-Verlag, Wien New York (1989).
Publications 1988
J. Graph Theory 12 (1988), no. 1, 45--57.
An. Univ. Bucuresti Mat. 37 (1988), no. 1, 75--79.
An. Univ. Bucurecsti Mat. 37 (1988), no. 3, 85--90.
Publications 1987
Complex Variables Theory Appl. 7 (1987), no. 4, 257--264.
Complex Variables Theory Appl. 7 (1987), no. 4, 265--296.
An. Univ. Bucurecsti Mat. 36 (1987), 25--30.
Publications 1986
Results Math. 10 (1986), no. 1-2, 40--53.
Z. Anal. Anwendungen 5 (1986), no. 2, 133--137.
Complex Variables Theory Appl. 6 (1986), no. 1, 51--71.
Complex Variables Theory Appl. 6 (1986), no. 1, 39--49.
, Birkhaeuser Verlag, Basel - Boston - Stuttgart (1986).
Bull. Math. Soc. Sci. Math. R. S. Roumanie (N.S.) 30(78) (1986), no. 1, 79--87.
Aequationes Math. 31 (1986), no. 2-3, 326.
Aequationes Math. 28 (1986), no. 1-2, 151--155.
Aequationes Math. 30 (1986), no. 2-3, 142--150.
Publications 1985
In Mathematical papers given on the occasion of Ernst Mohr's 75th birthday, Tech. Univ. Berlin (1985), 79--93.
Complex Variables Theory Appl. 4 (1985), no. 2, 137--154.
Publications 1984
Results Math. 7 (1984), no. 1, 35--53.
Complex Variables Theory Appl. 2 (1984), no. 3-4, 353--386.
Publications 1983
Arch. Math. (Basel) 41 (1983), no. 1, 48--56.
In Complex analysis, Akademie-Verlag (1983), 225--237.
In 14th Styrian mathematical symposium (Stift Rein, 1983), Forschungszentrum Graz (1983), Exp. No. 1, 15.
Complex Variables Theory Appl. 2 (1983), no. 2, 227--242.
Results Math. 6 (1983), no. 1, 105--115.
Publications 1982
Complex Variables Theory Appl. 1 (1982), no. 2-3, 181--194.
Complex Variables Theory Appl. 1 (1982), no. 2-3, 195--208.
Arch. Math. (Basel) 39 (1982), no. 1, 32--45.
In Combinatorial theory (Schloss Rauischholzhausen, 1982), Springer (1982), 321--326.
Publications 1981
, Forschungszentrum Graz Mathematisch-Statistische Sektion (1981).
Publications 1979
Ann. Acad. Sci. Fenn. Ser. A I Math. 4 (1979), no. 2, 259--265.
Math. Nachr. 91 (1979), 375--387.
Ann. Acad. Sci. Fenn. Ser. A I Math. 4 (1979), no. 2, 299--309.
Publications 1978
Math. Z. 163 (1978), no. 2, 191--197.
Math. Ann. 237 (1978), no. 1, 79--95.
Mathematica (Cluj) 20 (1978), no. 1, 91--92.
Bull. Math. Soc. Sci. Math. R. S. Roumanie (N.S.) 22 (1978), no. 3, 329--330.
Rev. Roumaine Math. Pures Appl. 23 (1978), no. 5, 807--813.
Arch. Math. (Basel) 30 (1978), no. 3, 286--292.
Publications 1977
In Ansprachen und Vorträge des Gedenkkolloquiums für Alexander Dinghas, Math. Inst. der Freie Univ. Berlin, Berlin (1977), 45--55.
In Differential equations (Colloq., Keszthely, 1974), North-Holland (1977), 291--301. Collo.
Arch. Math. (Basel) 28 (1977), no. 3, 274--280.
Math. Scand. 40 (1977), no. 1, 143--150.
Rev. Roumaine Math. Pures Appl. 22 (1977), no. 1, 119--129.
Publications 1976
In Function theoretic methods for partial differential equations (Proc. Internat. Sympos., Darmstadt, 1976), Springer (1976), 502--509.
, Ernst Klett, Stuttgart (1976).
In Function theoretic methods in differential equations, Pitman (1976), 45--62. Res. no.
In Function theoretic methods for partial differential equations ({P}roc. {I}nternat. {S}ympos., {D}armstadt, 1976), Springer (1976), 277--282.
In Function theoretic methods in differential equations, Pitman (1976), 158--171. Res. .
Publications 1975
Monatsh. Math. 79 (1975), 103--113.
Bull. Math. Soc. Sci. Math. R. S. Roumanie (N.S.) 19(67) (1975), no. 3-4, 409--413 (1977).
An. c Sti. Univ. ``Al. I. Cuza'' Iac si Secc t. I a Mat. (N.S.) 21 (1975), 47--51.
Math. Ann. 217 (1975), no. 1, 87--91.
Publications 1974
In Ordinary and partial differential equations (Proc. Conf., Univ. Dundee, Dundee, 1974), Springer (1974), 388--393.
An. c Sti. Univ. ``Al. I. Cuza'' Iac si Secc t. I a Mat. (N.S.) 20 (1974), no. 2, 305--308.
Publications 1973
In Ergebnisse einer Tagung über "Funktionentheoretische Methoden bei partiellen Differentialgleichungen" (Bonn, 1972), Gesellsch. Math. Datenverabeitung, Bonn (1973), 65--89.
Period. Math. Hungar. 3 (1973), no. 3-4, 305--312.
In Ergebnisse einer Tagung , Bonn (1973), 91--96.
In Three articles on pseudoanalytic functions and elliptic differential equations, Gesellsch. Math. Datenverarbeitung (1973), 17--19.
Publications 1972
Applicable Anal. 2 (1972), 169--185.
Publications 1971
Rend. Ist. Mat. Univ. Trieste 3 (1971), 140--168 (1972).
Monatsh. Math. 75 (1971), 31--37.
Publications 1967
Ann. Acad. Sci. Fenn. Ser. A I No. 406 (1967), 20.
Publications 1966
Math. Ann. 165 (1966), 91--110.
Publications 1964
Math. Z. 85 (1964), 291--313.
Arch. Math. (Basel) 15 (1964), 324--331.
Publications 1963
Math. Z. 81 (1963), 308--325.
Publications 1961
Arch. Math. (Basel) 12 (1961), 43--50.
Math. Z. 77 (1961), 453--467.
Publications 1960
Math. Nachr. 22 (1960), 145--154.
Publications 1959
, Inauguraldissertation, Freie Universit (1959).