High-order synchronization in a system of nonlinearly coupled Stuart-Landau oscillators Nissi Thomas, S. Karthiga and M. Senthilvelan Eur. Phys. J. Plus, 136 12 (2021) 1222 Published online: 08 December 2021 DOI: 10.1140/epjp/s13360-021-02216-y