TY  - BOOK
AU  - Nayfeh, Ali Hasan
TI  - Perturbation methods
T2  - Wiley classics library
SN  - 0-471-39917-5
U1  - 629.1015/NAY 
PY  - 2000///
CY  - New York
PB  - John Wiley
KW  - Asymptotic expansions
KW  - Perturbation (Mathematics)
KW  - Engineering
KW  - Technology
ER  -