“Boundary Value Problems for Fractional Differential Equations via Riemann-Liouville Derivative and Nonlinear Integral Conditions” (2024) Nonlinear Studies, 31(3), pp. 977–986. Available at: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/3552 (Accessed: 17 October 2025).