| Title: | On the size of context-free grammars (English) | 
| Title: | O velkosti bezkontextových gramatik (Slovak) | 
| Author: | Gruska, Jozef | 
| Language: | English | 
| Journal: | Kybernetika | 
| ISSN: | 0023-5954 | 
| Volume: | 8 | 
| Issue: | 3 | 
| Year: | 1972 | 
| Pages: | (213)-218 | 
| Summary lang: | Slovak | 
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| Category: | math | 
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| MSC: | 68A30 | 
| MSC: | 68Q45 | 
| idZBL: | Zbl 0241.68037 | 
| idMR: | MR0331877 | 
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| Date available: | 2009-09-24T16:24:58Z | 
| Last updated: | 2012-06-04 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/125769 | 
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| Reference: | [1] Ginsburg S.: The mathematical theory of context-free languages.McGraw-Hill, New York 1966. Zbl 0184.28401, MR 0211815 | 
| Reference: | [2] Gruska J.: On a classification of context-free grammars.Kybernetika 3 (1967), 1, 22-29. MR 0209092 | 
| Reference: | [3] Gruska J.: Some classifications of context-free languages.Information and Control 14 (1969), 152-179. Zbl 0174.28901, MR 0253836 | 
| Reference: | [4] Gruska J.: Complexity and unambiguity of context-free grammars and languages.Information and Control 18 (1971), 502-519. Zbl 0238.68022, MR 0311152 | 
| Reference: | [5] Taniguchi K., Kasami T.: Reduction of Context-Free Grammars.Information and Control 17 (1970), 92-108. Zbl 0214.02005, MR 0272574 | 
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