%0 Journal Article
%A M. Otelbaev
%A Ya. T. Sultanaev
%T On the formula for the distribution of the eigenvalues of singular differential operators
%J Matematičeskie zametki
%D 1973
%P 361-368
%V 14
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1973_14_3_a5/
%G ru
%F MZM_1973_14_3_a5