@inproceedings{cui-etal-2011-function,
    title = "Function Word Generation in Statistical Machine Translation Systems",
    author = "Cui, Lei  and
      Zhang, Dongdong  and
      Li, Mu  and
      Zhou, Ming",
    booktitle = "Proceedings of Machine Translation Summit XIII: Papers",
    month = sep # " 19-23",
    year = "2011",
    address = "Xiamen, China",
    url = "https://aclanthology.org/2011.mtsummit-papers.14/"
}