Corresponding author: Sándor Horváth ( horvath@cs.elte.hu ) Citation:
Horváth S, Ito M (1999) Decidable and Undecidable Problems of Primitive Words, Regular and Context-Free Languages. JUCS - Journal of Universal Computer Science 5(9): 532-541. https://doi.org/10.3217/jucs-005-09-0532 |