Djebaili Manel, Merad Ahcene, Aouafi Rabiaa. “The Reproducing Kernel Hilbert Space Method for Solving a Fractional Order Differential Equations Problem”. Utilitas Mathematica, vol. 121, Aug. 2024, pp. 149-62, https://utilitasmathematica.com/index.php/Index/article/view/2020.