%0 Journal Article %A L. A. Groza %T Asymptotic solutions of second order linear homogeneous differential equations in a Banach space with a small parameter multiplying the highest derivative %J Differencialʹnye uravneniâ %D 1973 %P 1393-1402 %V 9 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_8_a3/ %G ru %F DE_1973_9_8_a3