%0 Journal Article %A V. M. Millionshchikov %T The theory of differential equations with a small factor multiplying the derivatives in linear topological sapces %J Doklady Akademii Nauk %D 1962 %P 1021-1024 %V 146 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a10/ %G ru %F DAN_1962_146_5_a10