%0 Journal Article
%A V. A. Shchepetev
%T About distortion theorems for one class quasi-conformal mappings, conformal outside a ring
%J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika
%D 2009
%P 65-74
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VTGU_2009_4_a5/
%G ru
%F VTGU_2009_4_a5