@article{JMLR:v23:20-1130,
  author  = {Huan Li and Zhouchen Lin and Yongchun Fang},
  title   = {Variance Reduced EXTRA and DIGing and Their Optimal Acceleration for Strongly Convex Decentralized Optimization},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {222},
  pages   = {1--41},
  url     = {http://jmlr.org/papers/v23/20-1130.html}
}