“ The existence and Ulam-Hyers stability results for generalized Hilfer fractional integro-differential equations with nonlocal integral boundary conditions ” (2023) Advances in the Theory of Nonlinear Analysis and its Application, 6(1), pp. 101–117. Available at: https://mail.atnaea.org/index.php/journal/article/view/104 (Accessed: 19 April 2026).