%0 Journal Article
%A P. P. Belinskii
%T On the order of approximation of quasi-conformal maps in space to conformal maps
%J Doklady Akademii Nauk
%D 1971
%P 759-761
%V 200
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a0/
%G ru
%F DAN_1971_200_4_a0