@article{elbayad2020depth,
  title={Depth-adaptive transformer},
  author={Maha Elbayad, Jiatao Gu, Edouard Grave, Michael Auli},
  journal={arXiv preprint arXiv:1910.10073},
  url={https://arxiv.org/abs/1910.10073},
  year={2020}
}