%0 Journal Article
%A M. G. Gasymov
%A V. V. Zhikov
%A B. M. Levitan
%T Conditions for discreteness and finiteness of the negative spectrum of Schr\"odinger's operator equation
%J Matematičeskie zametki
%D 1967
%P 531-538
%V 2
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1967_2_5_a10/
%G ru
%F MZM_1967_2_5_a10