On regular expressions over one letter and on commutative languages

Authors

  • Topi Urponen
DOI: https://doi.org/10.5186/aasfm.1972.517
Issue
No. 517 (1972): Numbers 501-520, 1972
Section
Article

Published

1972-01-17

How to Cite

Urponen, T. (1972). On regular expressions over one letter and on commutative languages. Annales Fennici Mathematici, (517). https://doi.org/10.5186/aasfm.1972.517

Copyright (c) 1972 The Finnish Mathematical Society

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