@article{JMLR:v21:20-210,
  author  = {Boyue Li and Shicong Cen and Yuxin Chen and Yuejie Chi},
  title   = {Communication-Efficient Distributed Optimization in Networks with Gradient Tracking and Variance Reduction},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {180},
  pages   = {1--51},
  url     = {http://jmlr.org/papers/v21/20-210.html}
}