TY - JOUR AU - M. M. Khapaev TI - On the averaging method in certain problems connected with averaging JO - Differencialʹnye uravneniâ PY - 1966 SP - 600 EP - 608 VL - 2 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1966_2_5_a1/ LA - ru ID - DE_1966_2_5_a1 ER -