Xuan , HailingCheng , XiaoliangHan , Weimin and Xiao , Qichang. (2020). Numerical Analysis of a Dynamic Contact Problem with History-Dependent Operators.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>13</i> (3).
            569-594.
         doi:10.4208/nmtma.OA-2019-0130