@inproceedings{haizhong1996global,
title={Global rigidity theorems of hypersurfaces},
author={Haizhong Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203551186625686},
booktitle={Arkiv for Matematik},
volume={35},
number={2},
pages={327-351},
year={1996},
}