TY  - JOUR
AU  - M. A. Nikulin
TI  - Spectrum of the Schr\"odinger operator in an elliptical ring cover
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2023
SP  - 22
EP  - 32
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2023_5_a3/
LA  - ru
ID  - VMUMM_2023_5_a3
ER  -