%0 Journal Article %A I. A. Bikchantaev %T Some boundary value problems for an elliptic equation %J Doklady Akademii Nauk %D 1973 %P 1013-1016 %V 209 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_209_5_a1/ %G ru %F DAN_1973_209_5_a1