Wang , XiuheWang , Qiming and Zhou , Zhaojie. (2023). A Priori Error Analysis of Mixed Virtual Element Methods for Optimal Control Problems Governed by Darcy Equation.
            <i>East Asian Journal on Applied Mathematics</i>. <i>13</i> (1).
            140-161.
         doi:10.4208/eajam.070322.210722