%0 Journal Article
%A B. Z. Vulikh
%T Letter to the Editor
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1963
%V 18
%N 3
%U http://geodesic.mathdoc.fr/item/RM_1963_18_3_a25/
%G ru
%F RM_1963_18_3_a25