%0 Journal Article
%A I. G. Nikolaev
%A S. Z. Shefel'
%T Smoothness of convex surfaces on the basis of differential properties of quasiconformal mappings
%J Doklady Akademii Nauk
%D 1982
%P 296-300
%V 267
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_267_2_a9/
%G ru
%F DAN_1982_267_2_a9