@article{trainingmultilingualmachinetranslationby,
  title = {Training Multilingual Machine Translation by Alternately Freezing Language-Specific Encoders-Decoders},
  author = {Carlos Escolano and Marta R. Costa-jussà and José A. R. Fonollosa and Mikel Artetxe},
  year = {2020},
  eprint = {2006.01594},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.01594v1},
}