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Chains of full AFL’s. (English) Zbl 0203.30102


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[1] A. V. Aho, Indexed grammars–an extension of context free grammars,J. Assoc. Comput. Mach. 15 (1968), 647–671. · Zbl 0175.27801
[2] N. Chomsky andM. P. Schützenberger, The algebraic theory of context free languages,Computer Programing and Formal Systems, P. Braffort and D. Hirschberg (eds.), North Holland Publishing Co., Amsterdam, 1963, pp. 118–161.
[3] S. Ginsburg andS. Greibach, Abstract families of languages,Studies in Abstract Families of Languages, Memoirs of the American Mathematical Society, No. 87, Providence, Rhode Island (1969), 1–32. · Zbl 0194.31402
[4] S. Ginsburg andS. Greibach, Principal AFL, SDC Document No. TM-738/051/01, 1969,J. Comput. System Sci., to appear.
[5] S. Ginsburg andE. Spanier, Derivation-bounded languages,J. Comput. System Sci. 2 (1968), 228–250. · Zbl 0176.16703
[6] S. Ginsburg andE. Spanier, Substitutions in families of languages,Information Sciences, to appear. · Zbl 0211.31401
[7] S. Greibach, An infinite hierarchy of context-free languages,J. Assoc. Comput. Mach. 16 (1969), 91–106. · Zbl 0182.02002
[8] S. Greibach, Checking automata and one-way stack languages,J. Comput. Systems Sci. 1 (1968), 196–217. · Zbl 0174.02702
[9] S. Greibach, Full AFL’s and nested iterated substitution,Information and Control 16 (1970), 7–35. · Zbl 0188.03102
[10] S. Greibach andS. Ginsburg, Multitape AFA, SDC Document TM-738/050/00, 2 January 1969.
[11] S. Greibach andJ. Hopcroft, Independence of AFL Operations,Studies in Abstract Families of Languages, by Greibach, Ginsburg and Hopcroft, Memoirs of the American Mathematical Society, No. 87, Providence, Rhode Island, (1969), 33–40. · Zbl 0194.31402
[12] J. E. Hopcroft andJ. D. Ullman, An approach to a unified theory of automata,Bell System Tech. J. 46 (1967), 1793–1829. · Zbl 0155.34303
[13] M. Nivat, Transductions des langages de Chomsky, Dissertation, Grenoble University, 1967.
[14] M. Schkolnick, Two-type bracked grammars,IEEE Ninth Annual Symposium on Switching and Automata Theory, October 1968, pp. 315–326.
[15] M. K. Yntema, Inclusion relations among families of context-free languages,Information and Control 10 (1967), 572–597. · Zbl 0207.31405
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