Inverse scattering of nonlocal Sasa–Satsuma equations and their multisoliton solutions Guixian Wang, Xiu-Bin Wang and Bo Han Eur. Phys. J. Plus, 137 3 (2022) 404 Published online: 30 March 2022 DOI: 10.1140/epjp/s13360-022-02620-y