Roman domination dot-critical graphs
Graphs Combin. 29 (2013), 527--533.
BibTex references
@Article\{JV13,
author = "Jafari Rad, N. and Volkmann, Lutz",
title = "Roman domination dot-critical graphs",
journal = "Graphs Combin.",
volume = "29",
pages = "527--533",
year = "2013",
}