%0 Journal Article
%A P. G. Kontorovich
%T Meetings of the Ural Mathematical Society
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1964
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1964_19_2_a20/
%G ru
%F RM_1964_19_2_a20