Dynamics of a ring of three unidirectionally coupled Duffing oscillators with time-dependent dampingJ. J. Barba-Franco, A. Gallegos, R. Jaimes-Reátegui, S. A. Gerasimova and A. N. PisarchikEPL, 134 3 (2021) 30005DOI: https://doi.org/10.1209/0295-5075/134/30005