%0 Journal Article %A Kh. T. Movlyankulov %A L. V. Sharova %T An algorithm for constructing higher approximations for systems with fast and slow variables %J Differencialʹnye uravneniâ %D 1986 %P 775-780 %V 22 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_5_a5/ %G ru %F DE_1986_22_5_a5