Wave–wave interaction of an extended evolution equation with complete Coriolis parameters Na Cao, XiaoJun Yin, LiYang Xu and ShuTing Bai Eur. Phys. J. Plus, 138 8 (2023) 708 Published online: 13 August 2023 DOI: 10.1140/epjp/s13360-023-04288-4