%0 Journal Article
%A V. A. Kondrat'ev
%A M. A. Shubin
%T Discreteness of Spectrum Conditions for Schr\"odinger Operators on Manifolds
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1999
%P 85-87
%V 33
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1999_33_3_a9/
%G ru
%F FAA_1999_33_3_a9