alpha-domination perfect trees
Discrete Math. 308 (2008), no. 15, 3187--3198.
BibTex references
@Article\{DRV08,
author = "Dahme, Franz and Rautenbach, Dieter and Volkmann, Lutz",
title = "alpha-domination perfect trees",
journal = "Discrete Math.",
number = "15",
volume = "308",
pages = "3187--3198",
year = "2008",
}