APA (7th ed.) Citation

Fernau, H., & Stephan, F. (1999). Characterizations of recursively enumerable languages by programmed grammars with unconditional transfer. Journal of automata, languages and combinatorics, 4, .

Chicago Style (17th ed.) Citation

Fernau, Henning, and Frank Stephan. "Characterizations of Recursively Enumerable Languages by Programmed Grammars with Unconditional Transfer." Journal of Automata, Languages and Combinatorics 4 (1999).

MLA (9th ed.) Citation

Fernau, Henning, and Frank Stephan. "Characterizations of Recursively Enumerable Languages by Programmed Grammars with Unconditional Transfer." Journal of Automata, Languages and Combinatorics, vol. 4, 1999.