%0 Journal Article
%A I. S. Kats
%T On the spectral multiplicity of a second-order differential operator
%J Doklady Akademii Nauk
%D 1962
%P 510-513
%V 145
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a8/
%G ru
%F DAN_1962_145_3_a8