Li , JunpuFu , ZhuojiaChen , Wen and Liu , Xiaoting. (2019). A Dual-Level Method of Fundamental Solutions in Conjunction with Kernel-Independent Fast Multipole Method for Large-Scale Isotropic Heat Conduction Problems.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>11</i> (2).
            501-517.
         doi:10.4208/aamm.OA-2018-0148