TY - JOUR AU - S. B. Shlosman TI - Representation by random graphs and signs of the Ursell functions JO - Doklady Akademii Nauk PY - 1987 SP - 1074 EP - 1077 VL - 292 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a10/ LA - ru ID - DAN_1987_292_5_a10 ER -