@inproceedings{feng2008variational,
  title={Variational principles on triangulated surfaces},
  author={Feng Luo},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205921513012370},
  booktitle={arXiv preprint arXiv:0803.4232},
  year={2008},
}