Existence of Solution for a Coupled System of Fractional Integro-Differential Equations on an Unbounded Domain. Analysis in Theory and Applications, [S. l.], v. 29, n. 1, p. 47–61, 2013. DOI: 10.4208/ata.2013.v29.n1.6. Disponível em: https://www.global-sci.com/index.php/ata/article/view/7971. Acesso em: 5 dec. 2025.