@article{CaoChen2019,
  title={Anisotropic error estimates of the linear nonconforming virtual element methods},
  author={Cao, Shuhao and Chen, Long},
  journal={SIAM Journal on Numerical Analysis},
  volume={57},
  number={3},
  pages={1058--1081},
  year={2019},
  publisher={SIAM}
}