On the languages generated by context-sensitive fuzzy grammars

References

• Mizumoto , M. 1971 . Fuzzy automata and fuzzy grammars , Osaka, , Japan : Osaka University . Ph.D. Thesis, Faculty of Engineering Science
   Google Scholar
• Mizumoto , M. , Toyoda , J. and Tanaka , K. 1973 . N-fold fuzzy grammars . Information Sciences , 5 : 25 – 43 .
   Web of Science ®Google Scholar
• Mizumoto , M. , Toyoda , J. and Tanaka , K. 1975 . B-fuzzy grammars, Intern , 4A : 343 – 368 .
   Google Scholar
• Lee , E.T. and Zadeh , L.A. 1969 . Note on fuzzy languages . Information Sciences , 1 : 421 – 434 .
   Web of Science ®Google Scholar
• Salomaa , A. 1973 . Formal Languages, ch. V , London, New York : Academic Press .
   Google Scholar
• Rosenkrantz , D. 1969 . Programmed grammars and classes of formal languages . Journal Assoc. Comput. Math , 16 : 107 – 131 .
   Web of Science ®Google Scholar