TY - JOUR AU - A. N. Filatov TI - On the method of averaging in systems of integro-differential equations JO - Doklady Akademii Nauk PY - 1965 SP - 490 EP - 492 VL - 165 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_165_3_a6/ LA - ru ID - DAN_1965_165_3_a6 ER -