%0 Journal Article
%A P. M. Tamrazov
%T Extremal conformal mappings and poles of quadratic differentials
%J Izvestiya. Mathematics 
%D 1968
%P 987-996
%V 2
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a2/
%G en
%F IM2_1968_2_5_a2