@article{cui2019spherical,
  title={Spherical optimal transportation},
  author={Cui, Li and Qi, Xin and Wen, Chengfeng and Lei, Na and Li, Xinyuan and Zhang, Min and Gu, Xianfeng},
  journal={Computer-Aided Design},
  volume={115},
  pages={181--193},
  year={2019},
  publisher={Elsevier}
}