Signed Roman domination in digraphs
J. Comb. Optim. 30 (2015), 456-467.
BibTex references
@Article\{SV15b,
author = "Sheikholeslami, S.M. and Volkmann, Lutz",
title = "Signed Roman domination in digraphs",
journal = "J. Comb. Optim.",
volume = "30",
pages = "456-467",
year = "2015",
}