TY  - BOOK
AU  - Weinstein, Alexander
AU  - Stenger, William
TI  - METHODS OF INTERMEDIATE PROBLEMS FOR EIGENVALUES
U1  - 515.7 
PY  - 1972///
CY  - New York
PB  - Academic Press
KW  - Functional Analysis
N1  - Bib. : P. 221-231
ER  -