%0 Journal Article %A M. Nilsson %A R. Nyqvist %T The Asymptotic Number of Periodic Points of Discrete $p$-Adic Dynamical Systems %J Informatics and Automation %D 2004 %P 210-217 %V 245 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2004_245_a20/ %G en %F TRSPY_2004_245_a20