%0 Journal Article %A V. I. Maksimov %T Existence of strong solutions of differential equations in a Hilbert space %J Differencialʹnye uravneniâ %D 1988 %P 398-407 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_3_a5/ %G ru %F DE_1988_24_3_a5