Geodesic
Some further remarks on the index of context-free languages
Kybernetika, Tome 9 (1973) no. 6, pp. 461-466 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 68A30, 68Q45 
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Cremers, A. B.; Weiss, K. Some further remarks on the index of context-free languages. Kybernetika, Tome 9 (1973) no. 6, pp. 461-466. http://geodesic.mathdoc.fr/item/KYB_1973_9_6_a2/

[1] Brainerd B.: An Analog of a Theorem about Context-Free Languages. Information and Control 11 (1968), 561-567. | MR

[2] Gruska J.: Some Classifications of Context-Free Languages. Information and Control 14 (1969), 152-173. | MR | Zbl

[3] Gruska J.: A Few Remarks on the Index of Context-Free Grammars and Languages. Information and Control 19 (1971), 216-223. | MR | Zbl

[4] Jones N. D.: A Note on the Index of a Context-Free Language. Information and Control 16 (1970), 201-202. | MR | Zbl

[5] Salomaa A.: On the Index of Context-Free Grammars and Languages. Information and Control 14 (1969), 474-477. | MR