%0 Journal Article
%A G. V. Siryk
%T Generalization to the doubly-connected case of Lavrent'ev's variational formula for the conformal mapping of neighboring simply-connected domains
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1960
%P 152-159
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1960_5_a17/
%G ru
%F IVM_1960_5_a17