TY  - BOOK
AU  - Gould,Sydney H.
TI  - Variational methods for eigenvalue problems: an introduction to the methods of Rayleigh, Ritz, Weinstein, and Aronszajn. 
T2  - Mathematical expositions,
U1  - 515.64 23
PY  - 1957///
CY  - Toronto
PB  - University of Toronto Press
KW  - Calculus of variations
KW  - Differential equations
KW  - Vibration
N1  - Includes index
ER  -