Pan , KejiaWu , XiaoxinYu , YunlongSheng , Zhiqiang and Yuan , Guangwei. (2022). Extrapolation Cascadic Multigrid Method for Cell-Centered FV Discretization of Diffusion Equations with Strongly Discontinuous and Anisotropic Coefficients.
Communications in Computational Physics. 31 (5).
1561-1584.
doi:10.4208/cicp.OA-2021-0185