@article{JMLR:v21:19-748,
  author  = {Sebastian U. Stich and Sai Praneeth Karimireddy},
  title   = {The Error-Feedback framework: SGD with Delayed Gradients},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {237},
  pages   = {1--36},
  url     = {http://jmlr.org/papers/v21/19-748.html}
}