Fujioka, J., M. Velasco, A. Ramírez, and A. Espinosa-Cerón. “Fractional Noether´s Theorem and Fractional Optical Solitons With Ortigueira´s and Grünwald-Letnikov´s Derivatives”. Recent Advances in Mathematical Research and Computer Science Vol. 9 (March 5, 2022): 94–107. Accessed June 4, 2026. https://stm.bookpi.org/RAMRCS-V9/article/view/6025.