@article{focusonthetargetsvocabularymaskedlabel1,
  title = {Focus on the Target's Vocabulary: Masked Label Smoothing for Machine Translation},
  author = {Liang Chen and Runxin Xu and Baobao Chang},
  year = {2022},
  eprint = {2203.02889},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.02889v2},
}