%0 Journal Article
%A K. N. Ospanov
%T Discreteness and estimates of spectrum of a first order difference operator
%J Eurasian mathematical journal
%D 2018
%P 89-94
%V 9
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EMJ_2018_9_2_a9/
%G en
%F EMJ_2018_9_2_a9