@inproceedings{hoenen-etal-2017-many,
    title = "How Many Stemmata with Root Degree k?",
    author = "Hoenen, Armin  and
      Eger, Steffen  and
      Gehrke, Ralf",
    editor = "Kanazawa, Makoto  and
      de Groote, Philippe  and
      Sadrzadeh, Mehrnoosh",
    booktitle = "Proceedings of the 15th Meeting on the Mathematics of Language",
    month = jul,
    year = "2017",
    address = "London, UK",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W17-3402/",
    doi = "10.18653/v1/W17-3402",
    pages = "11--21"
}