共 50 条
- [1] Context-free grammars and XML languages DEVELOPMENTS IN LANGUAGE THEORY, PROCEEDINGS, 2006, 4036 : 108 - 119
- [4] TRANSFORMATIONS IN CONTEXT-FREE LANGUAGES DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1983, 36 (02): : 185 - 187
- [5] COMPLEXITY AND UNAMBIGUITY OF CONTEXT-FREE GRAMMARS AND LANGUAGES INFORMATION AND CONTROL, 1971, 18 (05): : 502 - &
- [9] NON-CONTEXT-FREE GRAMMARS GENERATING CONTEXT-FREE LANGUAGES INFORMATION AND CONTROL, 1974, 24 (03): : 231 - 246
- [10] Generalized context-free grammars and multiple context-free grammars Systems and Computers in Japan, 1989, 20 (07): : 43 - 52