@inproceedings{feng2006continuity,
title={Continuity of the volume of simplices in classical geometry},
author={Feng Luo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205831087389355},
booktitle={Communications in Contemporary Mathematics},
volume={8},
number={3},
pages={411-431},
year={2006},
}
Feng Luo. Continuity of the volume of simplices in classical geometry. 2006. Vol. 8. In Communications in Contemporary Mathematics. pp.411-431. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205831087389355.