@inproceedings{hongwei2013geometric,
title={Geometric and differentiable rigidity of submanifolds in spheres},
author={Hongwei Xu, Fei Huang, and Entao Zhao},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160929131438129908057},
booktitle={J. Math. Pures Appl.},
volume={99},
pages={330-342},
year={2013},
}
Hongwei Xu, Fei Huang, and Entao Zhao. Geometric and differentiable rigidity of submanifolds in spheres. 2013. Vol. 99. In J. Math. Pures Appl.. pp.330-342. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160929131438129908057.