“On Periodic Solutions for Implicit Problem with Nonlinear Fractional Differential Equation Involving the Riesz-Caputo Fractional Derivative”, Lett. Nonlinear Anal. Appl., vol. 4, no. 1, pp. 44–59, Mar. 2026, Accessed: May 14, 2026. [Online]. Available: https://lettersinnonlinearanalysis.com/index.php/lnaa/article/view/74