{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T20:27:12Z","timestamp":1761596832081},"reference-count":11,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1988,2,1]],"date-time":"1988-02-01T00:00:00Z","timestamp":570672000000},"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":9298,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Computer and System Sciences"],"published-print":{"date-parts":[[1988,2]]},"DOI":"10.1016\/0022-0000(88)90020-7","type":"journal-article","created":{"date-parts":[[2003,12,4]],"date-time":"2003-12-04T07:01:00Z","timestamp":1070521260000},"page":"66-76","source":"Crossref","is-referenced-by-count":18,"title":["Independence of the equational axioms for iteration theories"],"prefix":"10.1016","volume":"36","author":[{"given":"Z.","family":"\u00c9sik","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0022-0000(88)90020-7_BIB1","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/0021-8693(80)90212-4","article-title":"Partially additive categories and flow-diagram semantics","volume":"62","author":"Arbib","year":"1980","journal-title":"J. Algebra"},{"key":"10.1016\/0022-0000(88)90020-7_BIB2","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1016\/S0022-0000(76)80003-7","article-title":"The existence and construction of free iterative theories","volume":"12","author":"Bloom","year":"1976","journal-title":"J. Comput. System Sci."},{"key":"10.1016\/0022-0000(88)90020-7_BIB3","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1137\/0209002","article-title":"Solutions of the iteration equations and extensions of the scalar iteration operation","volume":"9","author":"Bloom","year":"1980","journal-title":"SIAM J. Comput."},{"key":"10.1016\/0022-0000(88)90020-7_BIB4","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1137\/0209039","article-title":"Vector iteration in pointed iterative theories","volume":"9","author":"Bloom","year":"1980","journal-title":"SIAM J. Comput."},{"key":"10.1016\/0022-0000(88)90020-7_BIB5","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1016\/0022-0000(78)90024-7","article-title":"On the algebraic structure of rooted trees","volume":"16","author":"Elgot","year":"1978","journal-title":"J. Comput. System Sci."},{"key":"10.1016\/0022-0000(88)90020-7_BIB6","first-page":"183","article-title":"Identities in iterative and rational algebraic theories","volume":"14","author":"\u00c9sik","year":"1980","journal-title":"Comput. Linguist. Comput. Lang."},{"key":"10.1016\/0022-0000(88)90020-7_BIB7","first-page":"95","article-title":"On generalized iterative theories","volume":"15","author":"\u00c9sik","year":"1982","journal-title":"Comput. Linguist. Comput. Lang."},{"key":"10.1016\/0022-0000(88)90020-7_BIB8","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1016\/0022-0000(83)90044-2","article-title":"Algebras of iteration theories","volume":"27","author":"\u00c9sik","year":"1983","journal-title":"J. Comput. System Sci."},{"key":"10.1016\/0022-0000(88)90020-7_BIB9","first-page":"147","article-title":"On the weak equivalence of Elgot's flowchart schemata","volume":"7","author":"\u00c9sik","year":"1985","journal-title":"Acta Cybernet."},{"key":"10.1016\/0022-0000(88)90020-7_BIB10","first-page":"187","article-title":"Metric iteration theories","volume":"5","author":"Troeger","year":"1982","journal-title":"Fund. Inform."},{"key":"10.1016\/0022-0000(88)90020-7_BIB11","series-title":"17th IEEE Symp. Foundations of Comp. Sci.","article-title":"Rational algebraic theories and fixed point solutions","author":"Wright","year":"1976"}],"container-title":["Journal of Computer and System Sciences"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0022000088900207?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0022000088900207?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,2,16]],"date-time":"2019-02-16T08:53:44Z","timestamp":1550307224000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0022000088900207"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1988,2]]},"references-count":11,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1988,2]]}},"alternative-id":["0022000088900207"],"URL":"https:\/\/doi.org\/10.1016\/0022-0000(88)90020-7","relation":{},"ISSN":["0022-0000"],"issn-type":[{"value":"0022-0000","type":"print"}],"subject":[],"published":{"date-parts":[[1988,2]]}}}