@inproceedings{improvingneuralmachinetranslationby1,
  title = {Improving Neural Machine Translation by Bidirectional Training},
  author = {Liang Ding and Di wu and DaCheng Tao},
  year = {2021},
  booktitle = {EMNLP 2021 11},
  eprint = {2109.07780},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.07780v1},
}