%0 Journal Article %A A. Kh. Shamilov %T On a problem for an elliptic equation and conditions for its solvability %J Doklady Akademii Nauk %D 1981 %P 820-824 %V 261 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_4_a12/ %G ru %F DAN_1981_261_4_a12