TY  - BOOK
AU  - Nayfeh, Ali Hasan,
TI  -  Introduction to perturbation techniques
SN  - 9788126546824
U1  - 515.35 
PY  - 2004///
CY  -  New York, 
PB  - Wiley
KW  - Differential equations Numerical solutions
N1  - Introduction
Algebraic equations
Integrals
The Duffing equation
The linear damped oscillator
Self-excited oscillators
Systems with quadratic and cubic nonlinearities
General weakly nonlinear systems
Forced oscillations of the Duffing equation
Multifrequency excitations
The Mathieu equation
Boundary-layer problems
Linear equations with variable coefficients
Differential equations with a large parameter
solvability conditions
N2  - Similarities, differences, advantages and limitations of perturbation techniques are pointed out concisely. The techniques are described by means of examples that consist mainly of algebraic and ordinary differential equations. Each chapter contains a number of exercises
ER  -