Signed total Roman k-domination in directed graphs
Communications in Combinatorics and Optimization 1 (2016), 165--178.
BibTex references
@Article\{DV16,
author = "Dehgardi, N. and Volkmann, Lutz",
title = "Signed total Roman k-domination in directed graphs",
journal = "Communications in Combinatorics and Optimization",
volume = "1",
pages = "165--178",
year = "2016",
}