@article{mishchenko2022proxskip,
  title={ProxSkip: Yes! Local Gradient Steps Provably Lead to Communication Acceleration! Finally!},
  author={Mishchenko, Konstantin and Malinovsky, Grigory and Stich, Sebastian and Richt{\'a}rik, Peter},
  journal={arXiv preprint arXiv:2202.09357},
  year={2022}
}