%0 Journal Article
%A M. M. Gekhtman
%A I. V. Stankevich
%T Investigation of spectral characteristics of some Sturm--Liouville operators used in crystal theory
%J Differencialʹnye uravneniâ
%D 1981
%P 2269-2270
%V 17
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_12_a15/
%G ru
%F DE_1981_17_12_a15