%0 Journal Article %A A. Kh. Shamilov %T Special boundary value problems for differential equations in a Hilbert space %J Differencialʹnye uravneniâ %D 1994 %P 77-83 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_1_a8/ %G ru %F DE_1994_30_1_a8