Dynamics of pulse-trains in an inhomogeneous three-mode nonlinear optical fiberSoumaya El-Akrmi, Houria Triki and Yaxian LiuEur. Phys. J. Spec. Top., 234 18 (2025) 5453-5466DOI: https://doi.org/10.1140/epjs/s11734-025-01851-1