TY  - BOOK
AU  - Nayfeh,Ali Hasan
TI  - Perturbation methods
SN  - 9780471399179
U1  - 515/.35 
PY  - 2000///
CY  - New York
PB  - John Wiley & Sons
KW  - Perturbation (Mathematics)
KW  - Asymptotic expansions
KW  - Differential equations
KW  - Perturbation (mathmatiques)
KW  - quations diffrentielles
KW  - Strungstheorie
ER  -