%0 Journal Article %A S. P. Zubova %T On the Cauchy problem for a differential equation with a singular perturbation in a Banach space %J Doklady Akademii Nauk %D 1982 %P 286-291 %V 264 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_264_2_a6/ %G ru %F DAN_1982_264_2_a6