“Mittag-Leffler-Ulam-Hyers-Stability Results for Chi-Hilferfractional Derivative Integro-Differential Equations”. Nonlinear Studies 33, no. 2 (May 30, 2026): 625–633. Accessed July 14, 2026. https://www.nonlinearstudies.com/index.php/nonlinear/article/view/4093.