TY  - BOOK
AU  - Weinberger, Hans F.,
TI  - Variational methods for eigenvalue approximation
T2  - Regional conference series in applied mathematics
SN  - 9780898710120
U1  - 515.35  WEI 
PY  - 1974///
CY  - Philadelphia
PB  - Society for Industrial and Applied Mathematics (SIAM)
KW  - Analysis
KW  - Differential operators
KW  - Eigenvalues
KW  - Approximation theory
KW  - Maxima and minima
N1  - Includes index and bibliography
ER  -