@Article{JCM-5-325, author = {Jun Zou}, title = {A New Fast Solver — Monotone MG Method (MMG)}, journal = {Journal of Computational Mathematics}, year = {1987}, volume = {5}, number = {4}, pages = {325--335}, abstract = {}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9556.html} }