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On the generative capacity of simple matrix grammars of finite index. (English) Zbl 0392.68059

MSC:
68Q45 Formal languages and automata
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[1] Brainerd, B., An analog of a theorem about context-free languages, Inform. contr., 11, 561-568, (1968) · Zbl 0184.02601
[2] Ibarra, O.H., Simple matrix languages, Inform. contr., 17, 359-394, (1970) · Zbl 0221.68041
[3] Maurer, H.A., Simple matrix languages with a leftmost restriction, Inform. contr., 23, 128-139, (1973) · Zbl 0261.68037
[4] Gh. Pǎun, On the family of finite index matrix languages (submitted to) Journal of Comp. and Syst. Sci.
[5] Salomaa, A., Formal languages, (1973), Academic Press New York · Zbl 0262.68025
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