%0 Journal Article
%A V. I. Gorbachuk
%A M. L. Gorbachuk
%T Self-adjoint boundary problems with discrete spectrum generated by the Sturm--Liouville equation with unbounded operator coefficient
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1971
%P 67-68
%V 5
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1971_5_4_a9/
%G ru
%F FAA_1971_5_4_a9