Signed domatic numbers of the complete bipartite graphs
Util. Math. 68 (2005), 71--77.
BibTex references
@Article\{Vol05,
author = "Volkmann, Lutz",
title = "Signed domatic numbers of the complete bipartite graphs",
journal = "Util. Math.",
volume = "68",
pages = "71--77",
year = "2005",
}