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/2020-MC-16810
数学文化, Vol. 11 (2020), Iss. 2 : pp. 18–39
Published online: 2020-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 22