TY - JOUR AU - V. B. Levenshtam TI - Higher approximations of the averaging method for a convection problem in a field of rapidly oscillating forces JO - Differencialʹnye uravneniâ PY - 1990 SP - 1792 EP - 1800 VL - 26 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_10_a17/ LA - ru ID - DE_1990_26_10_a17 ER -