Zhou , LipingShu , Shi and Yu , Haiyuan. (2019). Error Estimates and Superconvergence of a High-Accuracy Difference Scheme for a Parabolic Inverse Problem with Unknown Boundary Conditions.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>12</i> (4).
            1119-1140.
         doi:10.4208/nmtma.OA-2018-0019