@article{optimalacceleratedvariancereducedextra,
  title = {Variance Reduced EXTRA and DIGing and Their Optimal Acceleration for Strongly Convex Decentralized Optimization},
  author = {Huan Li and Zhouchen Lin and Yongchun Fang},
  year = {2020},
  eprint = {2009.04373},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.04373v3},
}