1. Smale, S., Differentiable dynamical systems, Uspekhi Mat. Nauk, 1970, vol. 25, no. 1 (151), pp. 113–185.
2. Robinson, C., Dynamical systems. Stability, symbolic dynamics, and chaos, Stud. Adv. Math. Boca Raton, FL, 1999.
3. Katok, A.B. and Hasselblatt, B., Introduction to the Modern Theory of Dynamical Systems, Cambridge: Cambridge Univ. Press, 1995.
4. Hasselblatt, B. and Katok, A.B., Vvedenie v teoriyu dinamicheskikh sistem s obzorom poslednikh dostizhenii (Introduction to the Theory of Dynamical Systems with Review of Modern Achievements), Moscow: MCCME, 2005.
5. Il’yashenko, Yu.S. and Li, V., Nelokal’nye bifurkatsii (Nonlocal Bifurcations), Moscow, 1999.