%0 Journal Article
%A L. B. Zelenko
%T The limiting spectrum of a~non-self-conjugate second-order differential operator with slowly varying coefficients
%J Matematičeskie zametki
%D 1973
%P 135-146
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1973_13_1_a16/
%G ru
%F MZM_1973_13_1_a16