Liping Zhou,  Shi Shu & Haiyuan Yu. (2020). Error Estimate and Superconvergence of a High-Accuracy Difference Scheme for Solving Parabolic Equations with an Integral Two-Space-Variables Condition.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>10</i> (2).
            362-389.
         doi:10.4208/aamm.OA-2017-0067