@article{lei2020quadrilateral,
  title={Quadrilateral Mesh Generation II: Meoromorphic Quartic Differentials and Abel-Jacobi Condition},
  author={Chen, Wei and Zheng, Xiaopeng and Ke, Jingyao and Lei, Na and Luo, Zhongxuan and Gu, Xianfeng},
  journal={Computer Methods in Applied Mechanics and Engineering},
  volume={366},
%  year={2020},
  publisher={Elsevier}
}