A remark on the (2,2)-domination number
Discuss. Math. Graph Theory 28 (2008), no. 2, 361--366.
BibTex references
@Article\{KMV08a,
author = "Korneffel, Torsten and Meierling, Dirk and Volkmann, Lutz",
title = "A remark on the (2,2)-domination number",
journal = "Discuss. Math. Graph Theory",
number = "2",
volume = "28",
pages = "361--366",
year = "2008",
note = "http://www.discuss.wmie.uz.zgora.pl/gt/index.php",
}