Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1672-7495|volume|11|15-17

ISSN： 1672-7495

Source： 上海中学数学, Vol.volume, Iss.11, 2017-01, pp. : 15-17

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next