%0 Journal Article %A I. A. Kipriyanov %A V. V. Katrakhov %T A boundary value problem for second-order elliptic equations in %J Doklady Akademii Nauk %D 1984 %P 274-276 %V 276 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_276_2_a3/ %G ru %F DAN_1984_276_2_a3