Mittag-Leffler-Ulam-Hyers-stability results for Chi-Hilferfractional derivative integro-differential equations. Nonlinear Studies, [S. l.], v. 33, n. 2, p. 625–633, 2026. Disponível em: https://nonlinearstudies.com/index.php/nonlinear/article/view/4093. Acesso em: 30 may. 2026.