TY - JOUR AU - N. Kolev AU - N. Nenov TI - New upper bound for a class of vertex Folkman numbers JO - The electronic journal of combinatorics PY - 2006 VL - 13 UR - http://geodesic.mathdoc.fr/articles/10.37236/1040/ DO - 10.37236/1040 ID - 10_37236_1040 ER -