%0 Journal Article
%A A. P. Kopylov
%T Ahlfors problem on the continuation of quasi-conformal mappings and the quasi-conformal equivalence domains to a ball
%J Doklady Akademii Nauk
%D 1976
%P 1025-1028
%V 230
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_230_5_a2/
%G ru
%F DAN_1976_230_5_a2