You do not have full access to this article.
Already a Subscriber? Sign in as an individual or via your institution
Journal Article Details
Publisher Name: Global Science Press
Language: Multiple languages
DOI: https://doi.org/2020-MC-15437
数学文化, Vol. 11 (2020), Iss. 1 : pp. 122–123
Published online: 2020-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 2