1. Ethan Akin, The general topology of dynamical systems, Grad. Stud. Math., vol. 1, American Mathematical Society, Providence, RI, (1993).
2. THE CONLEY ATTRACTORS OF AN ITERATED FUNCTION SYSTEM
3. Michael F. Barnsley, and Andrew Vince, Fractal continuation of analytic (fractal) functions, ArXiv:1209.6100v1.
4. A characterization of adding machine maps