M. RASHID, S.; T. MUSTAFA, Y. Solving System of a Linear Fractional Differential Equations by Using Laplace Transformation. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 4, n. 2, p. 135–142, 2007. DOI: 10.33899/csmj.2007.164021 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36684. Acesso em: 18 dec. 2025.