TY - JOUR AU - V. B. Levenshtam TI - Higher approximations of the averaging method for the vibration convection problem JO - Differencialʹnye uravneniâ PY - 1995 SP - 814 EP - 822 VL - 31 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_5_a10/ LA - ru ID - DE_1995_31_5_a10 ER -