Auslander, Joseph Max Planck Institute for Mathematics, Max Planck Society;
Kolyada, Sergiy Max Planck Institute for Mathematics, Max Planck Society;
Snoha, L'ubomir Max Planck Society;
Auslander, J., Kolyada, S., & Snoha, L. (2007). Functional envelope of a dynamical system. Nonlinearity, 20(9), 2245-2269. doi:10.1088/0951-7715/20/9/012.