%0 Journal Article %A Kostochka, Alexandr %A West, Douglas %T Chvátal's Condition cannot hold for both a graph and its complement %J Discussiones Mathematicae. Graph Theory %D 2006 %P 73-76 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2006_26_1_a6/ %G en %F DMGT_2006_26_1_a6