TY  - BOOK
AU  - Cassel, Kevin W.
TI  - Variational methods with applications in science and engineering
SN  - 9781107022584
U1  - 515.64 
PY  - 2013///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Variational principles
KW  - Science -- Methodology
KW  - Engineering -- Methodology
ER  -