TY - JOUR AU - Nenov, Nedyalko TI - On a Class of Vertex Folkman Numbers JO - Serdica Mathematical Journal PY - 2002 SP - 219 EP - 232 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2002_28_3_a3/ LA - en ID - SMJ2_2002_28_3_a3 ER -