The signed Roman k-domatic number of a graph
Discrete Appl. Math. 180 (2015), 150-157.
BibTex references
@Article\{Vol15,
author = "Volkmann, Lutz",
title = "The signed Roman k-domatic number of a graph",
journal = "Discrete Appl. Math.",
volume = "180",
pages = "150-157",
year = "2015",
}