Kai Gu, Peng Fang, Zhiwei Sun & Rui Du. (2024). Error Analysis of the Mixed Residual Method for Elliptic Equations.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>17</i> (2).
            534-554.
         doi:10.4208/nmtma.OA-2023-0136