1. H.-C. Li, “Counting periodic points of $$p$$-adic power series,” Compos. Math. 100, 351–364 (1996).
2. H.-C. Li, “$$p$$-Adic dynamical systems and formal groups,” Compos. Math. 104, 41–54 (1996).
3. H.-C. Li, “$$p$$-Typical dynamical systems and formal groups,” Compos. Math. 130, 75–88 (2002).
4. J. Lubin, “Nonarchimedean dynamical systems,” Compos. Math. 94 (3), 321–346 (1994).
5. J. H. Silverman, The Arithmetic of Dynamical Systems (Springer, New York, 2007).