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A note on scattered context grammars. (English) Zbl 0227.68040

68Q42 Grammars and rewriting systems
03D05 Automata and formal grammars in connection with logical questions
Full Text: DOI
[1] Greibach, S.; Hopcroft, J., Scattered context grammars, J. comp. syst. sciences, 3, 233-247, (1969) · Zbl 0174.02801
[2] Pfaltz, J.L.; Rosenfeld, A., Web grammars, Proc. intl. joint conf. on artificial intelligence, 609-619, (May 1969)
[3] Montanari, U., Separable graphs, planar graphs, and web grammars, Info. control, 16, 243-267, (May 1970)
[4] Abraham, S., Some questions of phrase structure grammars, Computational linguistics, 4, 61-70, (1965)
[5] Rosenkrantz, D.J., Programmed grammars and classes of formal languages, J. ACM, 16, 107-131, (January 1969)
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