%0 Journal Article
%A P. P. Belinskii
%T The use of the variation method in solving extremum problems of quasiconformal mappings
%J Doklady Akademii Nauk
%D 1958
%P 199-201
%V 121
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_121_2_a0/
%G ru
%F DAN_1958_121_2_a0