1. Geometric Methods in the Theory of Ordinary Differential Equations;Arnold,1983
2. Bifurcation of limit cycle of a family of plane vector fields;Bogdanov;Selecta Math. Soviet,1981
3. Generic properties of stationary state solutions of reaction-diffusion equation;Brunovsky;J. Differential Equations,1984
4. Application of Center Manifold Theory;Carr,1981
5. Methods of Bifurcation Theory;Chow,1982