{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T06:31:57Z","timestamp":1649140317030},"reference-count":5,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1980,6,1]],"date-time":"1980-06-01T00:00:00Z","timestamp":328665600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":12099,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Theoretical Computer Science"],"published-print":{"date-parts":[[1980,6]]},"DOI":"10.1016\/0304-3975(80)90044-4","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T03:48:55Z","timestamp":1027655335000},"page":"167-180","source":"Crossref","is-referenced-by-count":1,"title":["On the structure of free finite state machines"],"prefix":"10.1016","volume":"11","author":[{"given":"W.M.","family":"Beynon","sequence":"first","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0304-3975(80)90044-4_BIB1","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1016\/S0021-9800(70)80014-X","article-title":"Heterogeneous algebras","volume":"8","author":"Birkhoff","year":"1970","journal-title":"J. Combinatorial Theory"},{"key":"10.1016\/0304-3975(80)90044-4_BIB2","series-title":"Proc. Tarski Symposium","article-title":"Universal algebra and automata","author":"Birkhoff","year":"1974"},{"key":"10.1016\/0304-3975(80)90044-4_BIB3","series-title":"The Theory of Groups","author":"Hall","year":"1959"},{"key":"10.1016\/0304-3975(80)90044-4_BIB4","unstructured":"D. L. Johnson, Presentation of groups, LMS Lecture Note Series 22 (Cambridge University Press, London)."},{"key":"10.1016\/0304-3975(80)90044-4_BIB5","series-title":"M.Sc. Dissertation","author":"Smith","year":"1974"}],"container-title":["Theoretical Computer Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0304397580900444?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0304397580900444?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,13]],"date-time":"2019-04-13T03:24:38Z","timestamp":1555125878000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0304397580900444"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1980,6]]},"references-count":5,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1980,6]]}},"alternative-id":["0304397580900444"],"URL":"https:\/\/doi.org\/10.1016\/0304-3975(80)90044-4","relation":{},"ISSN":["0304-3975"],"issn-type":[{"value":"0304-3975","type":"print"}],"subject":[],"published":{"date-parts":[[1980,6]]}}}