%0 Journal Article %A Hoang Duong Tuan %T An averaging theorem for differential inclusions with fast and slow variables in Banach space %J Differencialʹnye uravneniâ %D 1992 %P 360-363 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_2_a21/ %G ru %F DE_1992_28_2_a21