Kangro, Urve. “Cordial Volterra Integral Equations and Singular Fractional Integro-Differential Equations in Spaces of Analytic Functions∗”. Mathematical Modelling and Analysis 22, no. 4 (July 3, 2017): 548-567. Accessed November 25, 2024. https://jest.vgtu.lt/index.php/MMA/article/view/912.