TY - JOUR AU - B. V. Aleshin TI - Application of the averaging method to a system of differential equations JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1974 SP - 237 EP - 240 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1974_14_1_a24/ LA - ru ID - ZVMMF_1974_14_1_a24 ER -