Multifrequency Oscillations of Nonlinear Systems Book

Introduction.
1: Averaging Method in Oscillation Systems with Variable Frequencies. 1. Uniform Estimates for One-Dimensional Oscillation Integrals. 2. Justification of Averaging Method for Oscillation Systems with omega = omega(tau). 3. Investigation of Two-Frequency Systems. 4. Justification of Averaging Method for Oscillation Systems with omega = omega(x, tau). 5. Averaging over All Fast Variables in Multifrequency Systems of Higher Approximation.
2: Averaging Method in Multipoint Problems. 6. Boundary-Value Problems for Oscillation Systems with Frequencies Dependent on Time Variable. 7. Theorem on Justification of Averaging Method on Entire Axis. 8. Multipoint Problem for Resonance Multifrequency Systems. 9. Estimates of the Error of Averaging Method for Multipoint Problems in Critical Case. 10. Theorems on Existence of Solutions of Boundary-Value Problems. 11. Boundary-Value Problems with Parameters.
3: Integral Manifolds. 12. Auxiliary Statements. 13. Construction of Successive Approximations. 14. Existence of Integral Manifold. 15. Conditional Asymptotic Stability of Integral Manifold. 16. Smoothness of Integral Manifold. 17. Asymptotic Expansion of Integral Manifold. 18. Decomposition of Equations in the Neighborhood of Asymptotically Stable Integral Manifold. 19. Proof of Theorem 18.1. 20. Investigation of Second-Order Oscillation Systems. 21. Weakening of Conditions in the Theorem on Integral Manifold.
4: Investigation of a Dynamical System in the Neighborhood of Quasiperiodic Trajectory. 22. Statement and General description of the Problem. 23. Theorem on Reducibility. 24. Variational Equation and Theorem on Attraction to Quasiperiodic Solutions. 25. Behavior of Trajectories under Small Perturbations of a Dynamical System. 26. The Case of a Toroidal Manifold Filled with Trajectories of General Form. 27. Discrete Dynamical System in the Neighborhood of a Quasiperiodic Trajectory.
References.