@inproceedings{gong-etal-2011-improve,
    title = "Improve {SMT} with Source-Side {\textquotedblleft}Topic-Document{\textquotedblright} Distributions",
    author = "Gong, Zhengxian  and
      Zhou, Guodong  and
      Li, Liangyou",
    booktitle = "Proceedings of Machine Translation Summit XIII: Papers",
    month = sep # " 19-23",
    year = "2011",
    address = "Xiamen, China",
    url = "https://aclanthology.org/2011.mtsummit-papers.57/"
}