%0 Journal Article %A S. Ya. Yakubov %T Solution of mixed problems for partial differential equations by the operator method %J Doklady Akademii Nauk %D 1971 %P 545-548 %V 196 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_3_a14/ %G ru %F DAN_1971_196_3_a14