TY  - BOOK
AU  - Nayfeh,Ali Hasan
TI  - Introduction to perturbation techniques
SN  - 0471080330
PY  - 1981///
CY  - New York, NY
PB  - John Wiley & Sons
KW  - Mathematics
KW  - Differentialequations
KW  - Numerical solutions
KW  - Equations
KW  - Perturbation (Mathematics)
ER  -