@inproceedings{saumjan-soboleva-1973-formal,
    title = "Formal Metalanguage and Formal Theory as Two Aspects of Generative Grammar",
    author = "Saumjan, Sebastian K.  and
      Soboleva, P. A.",
    booktitle = "{COLING} 1973 Volume 1: Computational And Mathematical Linguistics: Proceedings of the International Conference on Computational Linguistics",
    year = "1973",
    url = "https://aclanthology.org/C73-1006/"
}