@inproceedings{claus1996closed,
title={Closed Weingarten hypersurfaces in space forms},
author={Claus Gerhardt},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161012014347859514144},
booktitle={Geometric Analysis and the Calculus of Variations, International Press},
pages={71-98},
year={1996},
}
Claus Gerhardt. Closed Weingarten hypersurfaces in space forms. 1996. In Geometric Analysis and the Calculus of Variations, International Press. pp.71-98. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161012014347859514144.