EXISTENCE AND UNIQUENESS THEOREM OF FRACTIONAL DIFFERENTIAL EQUATION USING SADOVISKI FIXED – POINT THEOREM. Al-Nahrain Journal of Science, [S. l.], v. 10, n. 1, p. 115–119, 2007. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/1502.. Acesso em: 22 nov. 2024.