@article{zhang2014unified,
  title={The unified discrete surface Ricci flow},
  author={Zhang, Min and Guo, Ren and Zeng, Wei and Luo, Feng and Yau, Shing-Tung and Gu, Xianfeng},
  journal={Graphical Models},
  volume={76},
  number={5},
  pages={321--339},
  year={2014},
  publisher={Elsevier}
}