%0 Journal Article
%A V. Ya. Gutlyanskii
%A V. A. Shchepetev
%T A generalized area theorem for a class of $q$-quasi-conformal mappings
%J Doklady Akademii Nauk
%D 1974
%P 509-512
%V 218
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a1/
%G ru
%F DAN_1974_218_3_a1