The Italian domatic number of a digraph
Communication in Combinatorics and Optimization 4 (2019), 61--70.
BibTex references
@Article\{Vol19a,
author = "Volkmann, Lutz",
title = "The Italian domatic number of a digraph",
journal = "Communication in Combinatorics and Optimization",
volume = "4",
pages = "61--70",
year = "2019",
}