1. Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields;Guckenheimer,1983
2. Nonlinear Dynamics and Chaos;Thompson,1986
3. Two models of truncated Navier-Strokes equations on a two-dimensional torus;Franceschini;Phys. Fluids,1983
4. Steady motions exhibited by Duffing's equation: a picture book of regular and chaotic motions;Ueda,1980