%0 Journal Article %A V. B. Levenshtam %T Higher approximations of the averaging method for the vibration convection problem %J Differencialʹnye uravneniâ %D 1995 %P 814-822 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_5_a10/ %G ru %F DE_1995_31_5_a10