%0 Journal Article %A Krzywkowski, Marcin %T A lower bound on the total outer-independent domination number of a tree %J Comptes Rendus. Mathématique %D 2011 %P 7-9 %V 349 %N 1-2 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2010.11.021/ %R 10.1016/j.crma.2010.11.021 %G en %F CRMATH_2011__349_1-2_7_0