Existence and Uniqueness Theorem of Fractional Differential Equation Using Sadoviski Fixed - Point Theorem. Al-Nahrain Journal of Science, [S. l.], v. 9, n. 1, p. 96–99, 2006. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1702.. Acesso em: 17 may. 2024.