On the dynamics of a system of two coupled van der Pol oscillators subjected to a constant excitation force: effects of broken symmetryAdelaide Nicole Kengnou Telem, Karthikeyan Rajagopal, Theophile Fozin Fonzin and Balamurali RamakrishnanEur. Phys. J. Spec. Top., 230 18-20 (2021) 3551-3564DOI: https://doi.org/10.1140/epjs/s11734-021-00232-8