%0 Journal Article
%A M. L. Gorbachuk
%T Self-adjoint boundary problems for a second-order differential equation with unbounded operator coefficient
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1971
%P 10-21
%V 5
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1971_5_1_a1/
%G ru
%F FAA_1971_5_1_a1