@inproceedings{boyua,
title={A Proof on the Non-differentiability of Weierstrass Function in An Uncountable Dense Set},
author={Boyu Chen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215155500899084},
}
Boyu Chen. A Proof on the Non-differentiability of Weierstrass Function in An Uncountable Dense Set. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215155500899084.