@inproceedings{liu-etal-2020-meet,
    title = "Meet Changes with Constancy: Learning Invariance in Multi-Source Translation",
    author = "Liu, Jianfeng  and
      Luo, Ling  and
      Ao, Xiang  and
      Song, Yan  and
      Xu, Haoran  and
      Ye, Jian",
    editor = "Scott, Donia  and
      Bel, Nuria  and
      Zong, Chengqing",
    booktitle = "Proceedings of the 28th International Conference on Computational Linguistics",
    month = dec,
    year = "2020",
    address = "Barcelona, Spain (Online)",
    publisher = "International Committee on Computational Linguistics",
    url = "https://aclanthology.org/2020.coling-main.97/",
    doi = "10.18653/v1/2020.coling-main.97",
    pages = "1122--1132"
}