@Article{MC-9-3,
author = {},
title = {封三},
journal = {数学文化},
year = {2018},
volume = {9},
number = {3},
pages = {0--0},
abstract = {},
issn = {2617-8656},
doi = {https://doi.org/2018-MC-12638},
url = {https://global-sci.com/article/89487/%E5%B0%81%E4%B8%89}
}