On 2-domination and independence domination numbers of graphs
Ars Combin. 101 (2011), 405--415.
BibTex references
@Article\{HV11,
author = "Hansberg, Adriana and Volkmann, Lutz",
title = "On 2-domination and independence domination numbers of graphs",
journal = "Ars Combin.",
volume = "101",
pages = "405--415",
year = "2011",
}