Gramática livre de contexto (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gramática livre de contexto" in Portuguese language version.

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ams.org

Nijholt, Anton (1980), Context-free grammars: covers, normal forms, and parsing, ISBN 3-540-10245-0, Lecture Notes in Computer Science, 93, Springer, p. 8, MR 590047 .

books.google.com

Hazewinkel, Michiel (1994), Encyclopaedia of mathematics: an updated and annotated translation of the Soviet "Mathematical Encyclopaedia", ISBN 978-1-55608-003-6, Springer, Vol. IV, p. 56 .

chomsky.info

Chomsky, Noam (setembro de 1956), «Three models for the description of language» (PDF), Information Theory, IEEE Transactions, 2 (3): 113–124, doi:10.1109/TIT.1956.1056813, consultado em 18 de junho de 2007, cópia arquivada (PDF) em 18 de outubro de 2013

doi.org

dx.doi.org

Chomsky, Noam (setembro de 1956), «Three models for the description of language» (PDF), Information Theory, IEEE Transactions, 2 (3): 113–124, doi:10.1109/TIT.1956.1056813, consultado em 18 de junho de 2007, cópia arquivada (PDF) em 18 de outubro de 2013
Shieber, Stuart (1985), «Evidence against the context-freeness of natural language» (PDF), Linguistics and Philosophy, 8 (3): 333–343, doi:10.1007/BF00630917 .
Pullum, Geoffrey K.; Gerald Gazdar (1982), «Natural languages and context-free languages», Linguistics and Philosophy, 4 (4): 471–504, doi:10.1007/BF00360802 .
Culy, Christopher (1985), «The Complexity of the Vocabulary of Bambara», Linguistics and Philosophy, 8 (3): 345–351, doi:10.1007/BF00630918 .

harvard.edu

eecs.harvard.edu

Shieber, Stuart (1985), «Evidence against the context-freeness of natural language» (PDF), Linguistics and Philosophy, 8 (3): 333–343, doi:10.1007/BF00630917 .

ieee.org

ieeexplore.ieee.org

Chomsky, Noam (setembro de 1956), «Three models for the description of language» (PDF), Information Theory, IEEE Transactions, 2 (3): 113–124, doi:10.1109/TIT.1956.1056813, consultado em 18 de junho de 2007, cópia arquivada (PDF) em 18 de outubro de 2013

mun.ca

engr.mun.ca

Norvell, Theodore. «A Short Introduction to Regular Expressions and Context-Free Grammars» (PDF). 4 páginas. Consultado em 24 de agosto de 2012