%0 Journal Article
%A I. Yu. Ryzhakov
%T On a problem of S.\,N.~Bernstein
%J Doklady Akademii Nauk
%D 1963
%P 282-285
%V 153
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_153_2_a8/
%G ru
%F DAN_1963_153_2_a8