Higher-order Sasa–Satsuma equation: Nucci’s reduction and soliton solutions Houria Triki, M. Mirzazadeh, Hamdy M. Ahmed, Islam Samir and M. S. Hashemi Eur. Phys. J. Plus, 138 5 (2023) 472 Published online: 29 May 2023 DOI: 10.1140/epjp/s13360-023-04127-6