The signed total Roman domatic number of a digraph
J. Combin. Math. Combin. Comput. 110 (2019), 205--216.
BibTex references
@Article\{Vol19c,
author = "Volkmann, Lutz",
title = "The signed total Roman domatic number of a digraph",
journal = "J. Combin. Math. Combin. Comput.",
volume = "110",
pages = "205--216",
year = "2019",
}