%0 Journal Article %A Meddah, Nacéra %A Blidia, Mostafa %T A Characterization of Trees for a New Lower Bound on the K-Independence Number %J Discussiones Mathematicae. Graph Theory %D 2013 %P 395-410 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2013_33_2_a12/ %G en %F DMGT_2013_33_2_a12