%0 Journal Article %A R. A. Kordzadze %T A general boundary-value problem with shift for a second-order equation of elliptic type %J Doklady Akademii Nauk %D 1964 %P 739-742 %V 155 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a4/ %G ru %F DAN_1964_155_4_a4