Compounding self-excited and hidden attractors via a non-autonomous approach Jingliang Gao, Mengjiao Wang, Xuenan Peng and Yicheng Zeng Eur. Phys. J. Spec. Top., 230 7-8 (2021) 1873-1885 Published online: 21 July 2021 DOI: 10.1140/epjs/s11734-021-00120-1