1. Equivalence and Normal Forms of Germs of Smooth Mappings;Belitskii;Russian Math. Surv.,1978
2. Structural Stability of Lorenz Attractors;Guckenheimer;Publ. Math.,1979
3. Invariant Manifolds;Hirsch,1977
4. Deterministic Non-periodic Flow;Lorenz;J. Atmos. Sci.,1963
5. Lectures on Celestial Mechanics;Siegel,1971