TY - JOUR AU - Kostochka, Alexandr AU - West, Douglas TI - Chvátal's Condition cannot hold for both a graph and its complement JO - Discussiones Mathematicae. Graph Theory PY - 2006 SP - 73 EP - 76 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGT_2006_26_1_a6/ LA - en ID - DMGT_2006_26_1_a6 ER -