%0 Journal Article %A D. U. Umbetzhanov %T The almost periodic solutions of a certain class of partial differential equations with small parameters %J Differencialʹnye uravneniâ %D 1970 %P 913-916 %V 6 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_5_a14/ %G ru %F DE_1970_6_5_a14