@inproceedings{xuhua2013normality,
title={Normality and Cohen-Macaulayness of local models of Shimura varieties},
author={Xuhua He},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180321221823275793988},
booktitle={Duke Math J.},
volume={162},
pages={2509-2523},
year={2013},
}