Al-Nowehy, A.-G. ., E. M. E. . Zayed, A. H. . Arnous, Y. . Yildirim, L. Moraru, and . A. Biswas. “Dark and Singular Optical Solitons for Kundu-Eckhaus Equation With Differential Group Delay by the Generalized ϕ6-Model Expansion”. Contemporary Mathematics, vol. 6, no. 3, May 2025, pp. 3230-52, doi:10.37256/cm.6320256902.