MBoro NChama, Gustavo Asumu. “A Theoretical Improvement of the Riemann-Liouville and Caputo Fractional Derivatives”. Divulgaciones Matemáticas 21, no. 1-2 (December 27, 2020): 33-41. Accessed October 31, 2025. https://produccioncientifica.luz.edu.ve/index.php/divulgaciones/article/view/36602.