@Article{MC-3-99,
author = {},
title = {《思考的乐趣：Matrix67数学笔记》序二},
journal = {数学文化},
year = {2012},
volume = {3},
number = {2},
pages = {99--100},
abstract = {},
issn = {2617-8656},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/mc/11559.html}
}