%0 Journal Article %A V. A. Kondrat'ev %T On the solvability of the first boundary-value problem for elliptic equations %J Doklady Akademii Nauk %D 1961 %P 771-774 %V 136 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_4_a3/ %G ru %F DAN_1961_136_4_a3