%0 Journal Article
%A A. G. Kamenskii
%T Qualitative investigation of the spectra of differential-difference operators
%J Doklady Akademii Nauk
%D 1975
%P 1249-1251
%V 225
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_225_6_a2/
%G ru
%F DAN_1975_225_6_a2