@inproceedings{gtcomneuralmachinetranslationsystemsfor2,
  title = {GTCOM Neural Machine Translation Systems for WMT21},
  author = {Chao Bei and Hao Zong},
  year = {2021},
  booktitle = {WMT (EMNLP) 2021 11},
  url = {https://aclanthology.org/2021.wmt-1.3},
}