References
Berstel, J., and D. Perrin, “Theory of codes,” Academic Press, New York, 1985.
Ito, M., H. Jürgensen, H.J. Shyr, and G. Thierrin,Outfix and infix codes and related classes of languages, Journal of Computer and System Sciences43 (1991), 484–508.
Perrin, D.,Codes conjugués, Information and Control20 (1972), 222–231.
Shyr, H. J., “Free monoids and languages,” Lecture Notes, Hon Min Book Company, Taichung, 1991.
Author information
Authors and Affiliations
Additional information
Communicated by B. M. Schein
Rights and permissions
About this article
Cite this article
Ito, M., Thierrin, G. & Yu, S.S. Right k-dense languages. Semigroup Forum 48, 313–325 (1994). https://doi.org/10.1007/BF02573680
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02573680