Self-excited and hidden attractors in a novel chaotic system with complicated multistability Hayder Natiq, M. R. M. Said, M. R. K. Ariffin, Shaobo He, Lamberto Rondoni and Santo Banerjee Eur. Phys. J. Plus, 133 12 (2018) 557 Published online: 31 December 2018 DOI: 10.1140/epjp/i2018-12360-y