@Article{MC-12-2,
author = {},
title = {目录},
journal = {数学文化},
year = {2021},
volume = {12},
number = {2},
pages = {2--2},
abstract = {},
issn = {2617-8656},
doi = {https://doi.org/2021-MC-19232},
url = {https://global-sci.com/article/89233/%E7%9B%AE%E5%BD%95}
}