Integrability and the multi-soliton interactions of non-autonomous Zakharov–Kuznetsov equation Subrata Roy, Santanu Raut, Rishi Raj Kairi and Prasanta Chatterjee Eur. Phys. J. Plus, 137 5 (2022) 579 Published online: 13 May 2022 DOI: 10.1140/epjp/s13360-022-02763-y