Safe Separators for Treewidth
Discrete Mathematics 306 (2006), no. 3, 337--350.
BibTex references
@Article\{BK06,
author = "Bodlaender, Hans L. and Koster, Arie M.C.A.",
title = "Safe Separators for Treewidth",
journal = "Discrete Mathematics",
number = "3",
volume = "306",
pages = "337--350",
year = "2006",
note = "http://dx.doi.org/10.1016/j.disc.2005.12.017",
}