1. Chaos in Dynamical Systems;Ott,1993
2. Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields;Guckenheimer,1983
3. Chaos and Integrability in Nonlinear Dynamics;Tabor,1989
4. Ergodic Problems of Classical Mechanics;Arnold,1968
5. Order within Chaos;Bergé,1984