@Article{JCM-38-1, author = {}, title = {Preface}, journal = {Journal of Computational Mathematics}, year = {2020}, volume = {38}, number = {1}, pages = {0--0}, abstract = {}, issn = {1991-7139}, doi = {https://doi.org/2020-JCM-14820}, url = {https://global-sci.com/article/84303/preface} }