%0 Journal Article %A N. A. Reimers %A K. Sh. Khodzhaev %T Averaging of quasilinear systems with several fast variables %J Differencialʹnye uravneniâ %D 1978 %P 1388-1399 %V 14 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_8_a4/ %G ru %F DE_1978_14_8_a4