%0 Journal Article %A I. V. Aliev %T Operator-differential equations with nonregular boundary conditions and their application %J Differencialʹnye uravneniâ %D 1994 %P 95-103 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_1_a10/ %G ru %F DE_1994_30_1_a10