@article{dreizin-1975-formulae, title = "``Formulae'' in Coherent Text: Linguistic Relevance of Symbolic Insertions", author = "Dreizin, Felix", editor = "Hays, David G.", journal = "American Journal of Computational Linguistics", month = jul, year = "1975", note = "Microfiche 17", url = "https://preview.aclanthology.org/fix-sig-urls/J75-2005/", pages = "70--85" }