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: Chinese
DOI: https://doi.org/2022-MC-21263
数学文化, Vol. 13 (2022), Iss. 4 : pp. 116–120
Published online: 2022-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 5