%0 Journal Article
%A O. A. Plaksina
%T Condition for localization of the spectrum of a Sturm--Liouville boundary value problem on the positive half axis
%J Differencialʹnye uravneniâ
%D 1983
%P 2177-2179
%V 19
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_12_a22/
%G ru
%F DE_1983_19_12_a22