TY  - GEN
AU  - Weinstein,Alexander
AU  - Stenger,William
TI  - Methods of intermediate problems for eigenvalues: theory and ramifications
SN  - 0127424504
AV  - QA316 
U1  - 515/.64 
PY  - 1972///
CY  - New York
PB  - Academic Press
KW  - Calculus of variations
KW  - Eigenvalues
N1  - subject index , bibliography , pag 236
UR  - http://www.loc.gov/catdir/enhancements/fy1606/70154367-d.html
ER  -