TY  - BOOK
AU  - Bender, CM
AU  - Orszag, Steven A
TI  - Advanced mathematics for scientists and engineers:asymptotic methods and perturbation theory
SN  - 9788181289063
U1  - 510.5-051 
PY  - 2008///
CY  - New York
PB  - Springer
KW  - MATHEMATICAL METHODS
KW  - PERTURBATION THEORY
ER  -