TY  - JOUR
AU  - V. A. Kondrat'ev
AU  - M. A. Shubin
TI  - Discreteness of Spectrum Conditions for Schrödinger Operators on Manifolds
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1999
SP  - 85
EP  - 87
VL  - 33
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/FAA_1999_33_3_a9/
LA  - ru
ID  - FAA_1999_33_3_a9
ER  -