@article{flixasimpleandcommunicationefficient,
  title = {FLIX: A Simple and Communication-Efficient Alternative to Local Methods in Federated Learning},
  author = {Elnur Gasanov and Ahmed Khaled and Samuel Horváth and Peter Richtárik},
  year = {2021},
  eprint = {2111.11556},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.11556v2},
}