The generalized complex Ginzburg–Landau model and its dark and bright soliton solutions K. Hosseini, M. Mirzazadeh, D. Baleanu, N. Raza, C. Park, A. Ahmadian and S. Salahshour Eur. Phys. J. Plus, 136 7 (2021) 709 Published online: 01 July 2021 DOI: 10.1140/epjp/s13360-021-01637-z