Du , YanweiLi , Yonghai and Sheng , Zhiqiang. (2019). Quadratic Finite Volume Method for a Nonlinear Elliptic Problem.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>11</i> (4).
            838-869.
         doi:10.4208/aamm.OA-2017-0231