@article{astudyofmultilingualneuralmachine,
  title = {A Study of Multilingual Neural Machine Translation},
  author = {Xu Tan and Yichong Leng and Jiale Chen and Yi Ren and Tao Qin and Tie-Yan Liu},
  year = {2019},
  eprint = {1912.11625},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1912.11625v1},
}