TY - JOUR AU - V. V. Strygin TI - Peculiarities of the averaging principle for evolution equations JO - Doklady Akademii Nauk PY - 1969 SP - 535 EP - 537 VL - 188 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_188_3_a10/ LA - ru ID - DAN_1969_188_3_a10 ER -