%0 Journal Article
%A A. V. Strauss
%T On the multiplicity of the spectrum of a self-adjoint ordinary differential operator
%J Doklady Akademii Nauk
%D 1964
%P 771-774
%V 155
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a13/
%G ru
%F DAN_1964_155_4_a13