Preface
Chapter 1. Free Oscillations of Quasi-linear Systems
1. Free oscillations of systems governed by a general second order differential equation
2. Conservative systems 
3. Dissipative systems 
4. Stationary amplitudes and their stability
5. Equivalent linearization of nonlinear oscillatory systems
6. Nonlinear oscillatory systems with slowly varying parameters. Adiabatic invariants
7. Free oscillations of systems governed by a third order differential equation
8. Free oscillations of systems governed by N-order differential equation
Chapter 2. Self-excited Oscillations
1. Lienard and Routh-Hurwitz criteria. Stability of equilibrium states
2. Self-excited oscillations of a mechanical system
3. Dynamic absorber for quenching self-excited oscillations of the mechanical systems having one degree of freedom
4. Dynamic absorber for quenching self-excited oscillations of systems having two degrees of freedom
5. Self-excited oscillation of a system with N degrees of freedom
6. Dynamic absorber for a beam undergoing self-excited oscillation
7. Absorber for self-excited oscillations of a plate