TY - JOUR AU - V. A. Liskovets TI - A recurrent method for the enumeration of graphs with labelled vertices JO - Doklady Akademii Nauk PY - 1969 SP - 1284 EP - 1287 VL - 184 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_184_6_a6/ LA - ru ID - DAN_1969_184_6_a6 ER -