%0 Journal Article
%A L. Ya. Makarova
%T Investigation of domains of class~$\Sigma$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1961
%V 16
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1961_16_5_a10/
%G ru
%F RM_1961_16_5_a10