Step, dip, and bell-shape traveling waves in a (2 + 1)-chemotaxis model with traction and long-range diffusionW. Domgno Kuipou, D. Belobo Belobo, A. Mohamadou and H. P. Ekobena FoudaEur. Phys. J. Plus, 137 3 (2022) 353DOI: https://doi.org/10.1140/epjp/s13360-022-02496-y