@inproceedings{daiwei2009researches,
title={Researches on the Elementary Modular Matrix Transformations and the System of Linear Congruence Equations},
author={Daiwei Wang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215155264585077},
year={2009},
}

Daiwei Wang. Researches on the Elementary Modular Matrix Transformations and the System of Linear Congruence Equations. 2009. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215155264585077.