Signed domination and signed domatic numbers of digraphs
Discuss. Math. Graph Theory 31 (2011), 415--427.
BibTex references
@Article\{Vol11,
author = "Volkmann, Lutz",
title = "Signed domination and signed domatic numbers of digraphs",
journal = "Discuss. Math. Graph Theory",
volume = "31",
pages = "415--427",
year = "2011",
}