Unique Solution for a General Coupled System of Fractional Differential Equations. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 6, n. 3, p. 746–758, 2024. DOI: 10.12150/jnma.2024.746. Disponível em: https://www.global-sci.com/index.php/jnma/article/view/13763. Acesso em: 5 dec. 2025.