Ayala-Hoffmann, J., P. Corbin, K. McConville, F. Colonius, W. Kliemann, and J. R. Peters. “Morse Decomposition, Attractors and Chain Recurrence”. Proyecciones (Antofagasta, On Line), vol. 25, no. 1, May 2017, pp. 79-109, doi:10.4067/S0716-09172006000100006.