@article{massivelymultilingualneuralmachine2,
  title = {Massively Multilingual Neural Machine Translation in the Wild: Findings and Challenges},
  author = {Naveen Arivazhagan and Ankur Bapna and Orhan Firat and Dmitry Lepikhin and Melvin Johnson and Maxim Krikun and Mia Xu Chen and Yuan Cao and George Foster and Colin Cherry and Wolfgang Macherey and Zhifeng Chen and Yonghui Wu},
  year = {2019},
  eprint = {1907.05019},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1907.05019v1},
}