%0 Journal Article %A I. I. Danilyuk %T On the mappings corresponding to solutions of elliptic equations %J Doklady Akademii Nauk %D 1958 %P 17-20 %V 120 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_120_1_a2/ %G ru %F DAN_1958_120_1_a2