@Article{MC-9-3,
author = {},
title = {历史照片},
journal = {数学文化},
year = {2018},
volume = {9},
number = {3},
pages = {0--0},
abstract = {},
issn = {2617-8656},
doi = {https://doi.org/2018-MC-12636},
url = {https://global-sci.com/article/89484/%E5%8E%86%E5%8F%B2%E7%85%A7%E7%89%87}
}