![](/img/cover-not-exists.png)
Conditions for the negative spectrum of the Schrodinger equation operator to be discrete and finite
M. G. Gasymov, V. V. Zhikov, B. M. LevitanVolume:
2
Language:
english
Pages:
5
Journal:
Mathematical Notes
DOI:
10.1007/bf01093944
Date:
November, 1967
File:
PDF, 243 KB
english, 1967