Existence Results for the Higher-Order Weighted Caputo-Fabrizio Fractional Derivative. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 5, n. 4, p. 763–781, 2024. DOI: 10.12150/jnma.2023.763. Disponível em: https://global-sci.com/index.php/jnma/article/view/13715. Acesso em: 5 dec. 2025.