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Context free normal systems. (English) Zbl 0408.68066

Mathematical foundations of computer science, Proc. 8th Symp., Olomouc/Czech. 1979, Lect. Notes Comput. Sci. 74, 346-353 (1979).

MSC:

68Q45 Formal languages and automata
03D03 Thue and Post systems, etc.

Citations:

Zbl 0401.00014