{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T06:25:23Z","timestamp":1783405523766,"version":"3.54.6"},"reference-count":10,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1959,6,1]],"date-time":"1959-06-01T00:00:00Z","timestamp":-334108800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2014,5,15]],"date-time":"2014-05-15T00:00:00Z","timestamp":1400112000000},"content-version":"vor","delay-in-days":20072,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Information and Control"],"published-print":{"date-parts":[[1959,6]]},"DOI":"10.1016\/s0019-9958(59)90362-6","type":"journal-article","created":{"date-parts":[[2004,12,15]],"date-time":"2004-12-15T04:12:12Z","timestamp":1103083932000},"page":"137-167","source":"Crossref","is-referenced-by-count":846,"title":["On certain formal properties of grammars"],"prefix":"10.1016","volume":"2","author":[{"given":"Noam","family":"Chomsky","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"No. 3","key":"10.1016\/S0019-9958(59)90362-6_bib1","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1109\/TIT.1956.1056813","article-title":"Three models for the description of language","volume":"IT-2","author":"Chomsky","year":"1956","journal-title":"IRE Trans. on Inform. Theory"},{"key":"10.1016\/S0019-9958(59)90362-6_bib2","series-title":"Syntactic Structures","author":"Chomsky","year":"1957"},{"key":"10.1016\/S0019-9958(59)90362-6_bib3","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/S0019-9958(58)90082-2","article-title":"Finite state languages","volume":"1","author":"Chomsky","year":"1958","journal-title":"Inform. and Control"},{"key":"10.1016\/S0019-9958(59)90362-6_bib4","series-title":"Computability and Unsolvability","author":"Davis","year":"1958"},{"key":"10.1016\/S0019-9958(59)90362-6_bib5","doi-asserted-by":"crossref","first-page":"1","DOI":"10.2307\/409987","article-title":"Discourse analysis","volume":"28","author":"Harris","year":"1952","journal-title":"Language"},{"key":"10.1016\/S0019-9958(59)90362-6_bib6","doi-asserted-by":"crossref","first-page":"474","DOI":"10.2307\/409683","article-title":"Discourse analysis: A sample text","volume":"28","author":"Harris","year":"1952","journal-title":"Language"},{"key":"10.1016\/S0019-9958(59)90362-6_bib7","doi-asserted-by":"crossref","first-page":"283","DOI":"10.2307\/411155","article-title":"Cooccurrence and transformation in linguistic structure","volume":"33","author":"Harris","year":"1957","journal-title":"Language"},{"key":"10.1016\/S0019-9958(59)90362-6_bib8","series-title":"Automata Studies","first-page":"3","article-title":"Representation of events in nerve nets","author":"Kleene","year":"1956"},{"key":"10.1016\/S0019-9958(59)90362-6_bib9","doi-asserted-by":"crossref","first-page":"284","DOI":"10.1090\/S0002-9904-1944-08111-1","article-title":"Recursively enumerable sets of positive integers and their decision problems","volume":"50","author":"Post","year":"1944","journal-title":"Bull. Am. Math. Soc."},{"key":"10.1016\/S0019-9958(59)90362-6_bib10","unstructured":"Sch\u00fctzenberger M. P. (1957). Unpublished paper."}],"container-title":["Information and Control"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0019995859903626?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0019995859903626?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,1,31]],"date-time":"2019-01-31T09:28:11Z","timestamp":1548926891000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0019995859903626"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1959,6]]},"references-count":10,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1959,6]]}},"alternative-id":["S0019995859903626"],"URL":"https:\/\/doi.org\/10.1016\/s0019-9958(59)90362-6","relation":{},"ISSN":["0019-9958"],"issn-type":[{"value":"0019-9958","type":"print"}],"subject":[],"published":{"date-parts":[[1959,6]]}}}