1. On the iterations of diffeomorphisms without C°-Ω-explosions: an example;Sawada;Proc. Amer. Math. Soc.,1980
2. Explosions in completely unstable flows; I: preventing explosions;Nitecki;Trans. Amer. Math. Soc.,1978
3. Lectures on Dynamical Systems;Newhouse;In Dynamical Systems, Progress in Math.,1978
4. Continuous maps of the circle without periodic points
5. [4] Conley C. . Isolated invariant sets and the Morse index. CBMS Regional Conf. Ser. in Math.,no. 38,Amer. Math. Soc:Providence, R.I., 1976.