%0 Journal Article %A V. Zorich %T Boundary properties of a class of mappings in space %J Doklady Akademii Nauk %D 1963 %P 23-26 %V 153 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_1_a4/ %G ru %F DAN_1963_153_1_a4