@inproceedings{vazquez-etal-2019-multilingual,
    title = "Multilingual {NMT} with a Language-Independent Attention Bridge",
    author = {V{\'a}zquez, Ra{\'u}l  and
      Raganato, Alessandro  and
      Tiedemann, J{\"o}rg  and
      Creutz, Mathias},
    editor = "Augenstein, Isabelle  and
      Gella, Spandana  and
      Ruder, Sebastian  and
      Kann, Katharina  and
      Can, Burcu  and
      Welbl, Johannes  and
      Conneau, Alexis  and
      Ren, Xiang  and
      Rei, Marek",
    booktitle = "Proceedings of the 4th Workshop on Representation Learning for NLP (RepL4NLP-2019)",
    month = aug,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W19-4305/",
    doi = "10.18653/v1/W19-4305",
    pages = "33--39"
}