%0 Journal Article
%A V. Ya. Gutlyanskii
%T The area principle for a certain class of quasiconformal mappings
%J Doklady Akademii Nauk
%D 1973
%P 540-543
%V 212
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_212_3_a3/
%G ru
%F DAN_1973_212_3_a3