@inproceedings{thomas2006comparing,
title={Comparing corresponding dihedral angles on classical geometric simplices},
author={Thomas Kwok-keung Au, Feng Luo, and Richard Stong},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210013325055386},
booktitle={arXiv preprint math/0606350},
year={2006},
}
Thomas Kwok-keung Au, Feng Luo, and Richard Stong. Comparing corresponding dihedral angles on classical geometric simplices. 2006. In arXiv preprint math/0606350. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210013325055386.