%0 Journal Article
%A S. A. Gel'fer
%T An extension of the Goluzin--Schiffer variational method to multiply-connected regions
%J Doklady Akademii Nauk
%D 1962
%P 503-506
%V 142
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_142_3_a0/
%G ru
%F DAN_1962_142_3_a0