@Article{MC-5-104,
author = {},
title = {读者来信},
journal = {数学文化},
year = {2014},
volume = {5},
number = {3},
pages = {104--104},
abstract = {},
issn = {2617-8656},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/mc/11749.html}
}