Unified Fractional Derivative Formulae for the Multivariable Aleph-Function. Global Journal of Science Frontier Research, [S. l.], v. 18, n. F3, p. 37–53, 2018. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/2240. Acesso em: 14 aug. 2026.