%0 Journal Article
%A S. L. Krushkal'
%T The method of variations in the theory of quasiconformal mappings of closed Riemann surfaces
%J Doklady Akademii Nauk
%D 1964
%P 781-783
%V 157
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_157_4_a6/
%G ru
%F DAN_1964_157_4_a6