Zayed, E. M., A. A. Elghany, and M. E.-. Shater. “Optical Solitons Solutions in Birefringent Fibers With Perturbed Generalized Gerdjikov–Ivanov Model Using the Addendum to Sub-ODE Method”. Annals of Mathematics and Physics, Dec. 2025, pp. 256-72, doi:10.17352/amp.000171.