Xiulian Shi, Yanping Chen, Yunqing Huang & Fenglin Huang. (2020). Spectral Collocation Methods for Second-Order Volterra Integro-Differential Equations with Weakly Singular Kernels.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>12</i> (2).
            480-502.
         doi:10.4208/aamm.OA-2019-0056