Table of contents : Front Matter....Pages i-xvii Front Matter....Pages 1-1 Oscillations of Linear Systems....Pages 3-26 Free Oscillations....Pages 27-88 Stability of Nonlinear Systems....Pages 89-116 Algebraic and Topological Aspects of Nonlinear Oscillations....Pages 117-136 Front Matter....Pages 137-137 Regular Perturbation Methods....Pages 139-156 Forced Oscillations....Pages 157-188 Methods of Averaging....Pages 189-235 Quasistatic-State Methods....Pages 236-287 Back Matter....Pages 288-306