MOHAMMED AL-REFAI. Fundamental Results on Systems of Fractional Differential Equations Involving Caputo-Fabrizio Fractional Derivative. Jordan Journal of Mathematics and Statistics, [S. l.], v. 13, n. 3, p. 389–399, 2025. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/886. Acesso em: 18 jul. 2025.