@article{provablycommunicationefficientdata,
  title = {Provably Communication-efficient Data-parallel SGD via Nonuniform Quantization},
  author = {Ali Ramezani-Kebrya and Fartash Faghri and Ilya Markov and Vitalii Aksenov and Dan Alistarh and Daniel M. Roy},
  year = {2019},
  url = {https://openreview.net/forum?id=HyeJmlrFvH},
}