@inproceedings{bechet-foret-2003-k,
    title = "k-Valued Non-Associative {L}ambek Categorial Grammars are not Learnable from Strings",
    author = "B{\'e}chet, Denis  and
      Foret, Annie",
    booktitle = "Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2003",
    address = "Sapporo, Japan",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P03-1045/",
    doi = "10.3115/1075096.1075141",
    pages = "351--358"
}