TY - JOUR AU - V. G. Zadorozhniy TI - On the question of conditions for the applicability of the averaging method JO - Differencialʹnye uravneniâ PY - 1981 SP - 1589 EP - 1595 VL - 17 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_9_a5/ LA - ru ID - DE_1981_17_9_a5 ER -