Signal transmission in a chain of unidirectionally coupled self-sustained Van der Pol oscillators: effect of additional nonlinearities and noisy chain unitsMurielle Vanessa Tchakui, Paul Woafo, Damia Gomila and Pere ColetEur. Phys. J. Plus, 137 1 (2022) 3DOI: https://doi.org/10.1140/epjp/s13360-021-02171-8