TY  - BOOK
AU  - Weinberger,Hans F.
ED  - Society for Industrial and Applied Mathematics.
TI  - Variational methods for eigenvalue approximation
T2  - CBMS-NSF Regional Conference Series in Applied Mathematics
SN  - 089871012X
AV  - QA329 .W44 1993
PY  - 1993///
CY  - Philadelphia
PB  - SIAM
KW  - Differential operators
KW  - Eigenvalues
KW  - Approximation theory
KW  - Maxima and minima
N1  - Includes bibliographical references and index
ER  -