複素力学系
↑ Flek, R; Keen, L (July 13, 2009), “Boundaries of bounded Fatou components of quadratic maps”, Journal of Difference Equations and Applications, http://comet.lehman.cuny.edu/keenl/FlekKeenJDEA.pdf 2014年12月12日閲覧。
↑ Surveys in Dynamical systems available on-line at Dynamical Systems Homepage of Institute for Mathematical Sciences SUNY at Stony Brook