%0 Journal Article
%T Meetings of the Moscow Mathematical Society
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1978
%V 33
%N 2
%U http://geodesic.mathdoc.fr/item/RM_1978_33_2_a24/
%G ru
%F RM_1978_33_2_a24