@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}, }