%0 Journal Article
%A V. P. Maslov
%T A criterion for discreteness of the spectrum of a Sturm–Liouville equation with an operator coefficient (apropos the article by B. M. Levitan and G. A. Suvorchenkova)
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1968
%P 63-67
%V 2
%N 2
%U http://geodesic.mathdoc.fr/item/FAA_1968_2_2_a6/
%G ru
%F FAA_1968_2_2_a6