Oleksandr Burylko, Matthias Wolfrum, Serhiy Yanchuk, Jürgen Kurths, “Time-reversible dynamics in a system of two coupled active rotators”, Proc. R. Soc. A., 479:2278 (2023)
L.M. Lerman, J.D. Meiss, “Mixed dynamics in a parabolic standard map”, Physica D: Nonlinear Phenomena, 315 (2016), 58