{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T23:50:15Z","timestamp":1767916215238,"version":"3.49.0"},"reference-count":5,"publisher":"Elsevier BV","issue":"1-2","license":[{"start":{"date-parts":[[1984,1,1]],"date-time":"1984-01-01T00:00:00Z","timestamp":441763200000},"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":10790,"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":[[1984]]},"DOI":"10.1016\/0304-3975(84)90126-9","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T03:48:55Z","timestamp":1027655335000},"page":"61-71","source":"Crossref","is-referenced-by-count":19,"title":["Bases and ambiguity of number systems"],"prefix":"10.1016","volume":"31","author":[{"given":"Juha","family":"Honkala","sequence":"first","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0304-3975(84)90126-9_BIB1","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1007\/BF01746527","article-title":"On the base-dependence of sets of numbers recognizable by finite automata","volume":"3","author":"Cobham","year":"1969","journal-title":"Math. Systems Theory"},{"key":"10.1016\/0304-3975(84)90126-9_BIB2","first-page":"137","article-title":"Ambiguity and decision problems concerning number systems","volume":"154","author":"Culik","year":"1983"},{"key":"10.1016\/0304-3975(84)90126-9_BIB3","series-title":"Automata, Languages and Machines, Vol. A","author":"Eilenberg","year":"1974"},{"key":"10.1016\/0304-3975(84)90126-9_BIB4","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1016\/0304-3975(83)90111-1","article-title":"L codes and number systems","volume":"22","author":"Maurer","year":"1983","journal-title":"Theoret. Comput. Sci."},{"key":"10.1016\/0304-3975(84)90126-9_BIB5","series-title":"Formal Languages","author":"Salomaa","year":"1973"}],"container-title":["Theoretical Computer Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0304397584901269?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0304397584901269?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,13]],"date-time":"2019-04-13T03:51:05Z","timestamp":1555127465000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0304397584901269"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1984]]},"references-count":5,"journal-issue":{"issue":"1-2","published-print":{"date-parts":[[1984]]}},"alternative-id":["0304397584901269"],"URL":"https:\/\/doi.org\/10.1016\/0304-3975(84)90126-9","relation":{},"ISSN":["0304-3975"],"issn-type":[{"value":"0304-3975","type":"print"}],"subject":[],"published":{"date-parts":[[1984]]}}}