Terminal and nonterminal symbols (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Terminal and nonterminal symbols" in English language version.

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1semanticscholar.org

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archive.org

Harrison, Michael A. (1978). Introduction to Formal Language Theory. Reading, Mass.: Addison-Wesley Publishing Company. pp. 13. ISBN 0-201-02955-3.

doi.org

Chomsky, Noam (1956). "Three Models for the Description of Language". IRE Transactions on Information Theory. 2 (3): 113–123. doi:10.1109/TIT.1956.1056813. S2CID 19519474.

semanticscholar.org

api.semanticscholar.org

Chomsky, Noam (1956). "Three Models for the Description of Language". IRE Transactions on Information Theory. 2 (3): 113–123. doi:10.1109/TIT.1956.1056813. S2CID 19519474.