%0 Journal Article %A V. A. Danilov %T On the smoothness of quasi-conformal mappings in closed domains %J Doklady Akademii Nauk %D 1971 %P 746-747 %V 196 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_4_a1/ %G ru %F DAN_1971_196_4_a1