TY  - BOOK
AU  - Edmunds, D. E. and Evans, W. D.
AU  - Evans, W. D. ; jt. auth.
TI  - Spectral theory and differential operators
T2  - Oxford Mathematical monographs
U1  - 515.72 
PY  - 1989///
CY  - Oxford
PB  - Clarendon Press
ER  -