%0 Journal Article
%A N. V. Kuznetsov
%T A generalization of a theorem stated by V.\,A.~Ambartsumyan
%J Doklady Akademii Nauk
%D 1962
%P 1259-1262
%V 146
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a3/
%G ru
%F DAN_1962_146_6_a3