1. Brin, M., Stuck, G.: Introduction to Dynamical Systems. Cambridge University Press, Cambridge (2002). Contains an extensive wide ranging dynamical systems bibliography
2. Denjoy, A.: Sur les courbes définies par les équations différentielles a la surface du tore. J. Math Pure et Appl. 11, 333–375 (1932)
3. Gottschalk, W.H., Hedlund, G.A.: Topological Dynamics. American Mathematical Society Colloquium Publications, vol. XXXVI. American Mathematical Society, Providence (1955)
4. Kelley, J.L.: General Topology. University Series in Higher Mathematics. D. Van Nostrand, Princeton (1955)
5. Lee, J.M.: Introduction to Topological Manifolds. Number 202 in Graduate Texts in Mathematics. Springer, Berlin (2000)