TY  - JOUR
AU  - A. Laptev
TI  - The Negative Spectrum of a Class of Two-Dimensional Schr\"odinger Operators with Potentials Depending Only on Radius
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 2000
SP  - 85
EP  - 87
VL  - 34
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_2000_34_4_a9/
LA  - ru
ID  - FAA_2000_34_4_a9
ER  -