@inproceedings{li-etal-2019-niutrans,
    title = "The {N}iu{T}rans Machine Translation Systems for {WMT}19",
    author = "Li, Bei  and
      Li, Yinqiao  and
      Xu, Chen  and
      Lin, Ye  and
      Liu, Jiqiang  and
      Liu, Hui  and
      Wang, Ziyang  and
      Zhang, Yuhao  and
      Xu, Nuo  and
      Wang, Zeyang  and
      Feng, Kai  and
      Chen, Hexuan  and
      Liu, Tengbo  and
      Li, Yanyang  and
      Wang, Qiang  and
      Xiao, Tong  and
      Zhu, Jingbo",
    editor = "Bojar, Ond{\v{r}}ej  and
      Chatterjee, Rajen  and
      Federmann, Christian  and
      Fishel, Mark  and
      Graham, Yvette  and
      Haddow, Barry  and
      Huck, Matthias  and
      Yepes, Antonio Jimeno  and
      Koehn, Philipp  and
      Martins, Andr{\'e}  and
      Monz, Christof  and
      Negri, Matteo  and
      N{\'e}v{\'e}ol, Aur{\'e}lie  and
      Neves, Mariana  and
      Post, Matt  and
      Turchi, Marco  and
      Verspoor, Karin",
    booktitle = "Proceedings of the Fourth Conference on Machine Translation (Volume 2: Shared Task Papers, Day 1)",
    month = aug,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W19-5325/",
    doi = "10.18653/v1/W19-5325",
    pages = "257--266"
}