Shi Shu, Menghuan Liu, Xiaowen Xu, Xiaoqiang Yue & Shengguo Li. (1970). Algebraic Multigrid Block Triangular Preconditioning for Multidimensional Three-Temperature Radiation Diffusion Equations.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>13</i> (5).
            1203-1226.
         doi:10.4208/aamm.OA-2020-0210