{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,5]],"date-time":"2025-11-05T06:08:54Z","timestamp":1762322934107},"reference-count":8,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[1974,1,1]],"date-time":"1974-01-01T00:00:00Z","timestamp":126230400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Informatica"],"published-print":{"date-parts":[[1974]]},"DOI":"10.1007\/bf00288938","type":"journal-article","created":{"date-parts":[[2004,10,4]],"date-time":"2004-10-04T17:21:17Z","timestamp":1096910477000},"page":"87-106","source":"Crossref","is-referenced-by-count":21,"title":["Nonterminals, homomorphisms and codings in different variations of OL-systems"],"prefix":"10.1007","volume":"4","author":[{"given":"M.","family":"Nielsen","sequence":"first","affiliation":[]},{"given":"G.","family":"Rozenberg","sequence":"additional","affiliation":[]},{"given":"A.","family":"Salomaa","sequence":"additional","affiliation":[]},{"given":"S.","family":"Skyum","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"CR1","unstructured":"?ulik, K. II, Opatrny, J.: Literal homomorphisms of OL-languages. University of Waterloo, Research Report CS-73-25, 1973"},{"key":"CR2","unstructured":"Ehrenfeucht, A., Rozenberg, G.: The equality of EOL-languages and codings of OL-languages. To appear in: International J. Computer Mathematics"},{"key":"CR3","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1007\/BF00288638","volume":"3","author":"A. Ehrenfeucht","year":"1974","unstructured":"Ehrenfeucht, A., Rozenberg, G.: Nonterminals versus homomorphisms in defining languages for some classes of rewriting systems. Acta Informatica 3, 265?283 (1974)","journal-title":"Acta Informatica"},{"key":"CR4","unstructured":"Herman, G., Rozenberg, G.: Developmental Systems and Languages. Amsterdam: North-Holland (to appear)"},{"key":"CR5","doi-asserted-by":"crossref","first-page":"214","DOI":"10.1007\/BF00289079","volume":"2","author":"A. Lindenmayer","year":"1973","unstructured":"Lindenmayer, A., Rozenberg, G.: Developmental systems with locally catenative formulas. Acta Informatica 2, 214?248 (1973)","journal-title":"Acta Informatica"},{"key":"CR6","doi-asserted-by":"crossref","first-page":"166","DOI":"10.1016\/S0019-9958(74)90857-2","volume":"25","author":"M. Nielsen","year":"1974","unstructured":"Nielsen, M.: The decidability of some equivalence problems for DOL-systems. Information and Control 25, 166?193 (1974)","journal-title":"Information and Control"},{"key":"CR7","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/S0019-9958(73)80002-6","volume":"23","author":"A. Paz","year":"1973","unstructured":"Paz, A., Salomaa, A.: Integral sequential word functions and growth equivalence of Lindenmayer systems. Information and Control 23, 313?343 (1973)","journal-title":"Information and Control"},{"key":"CR8","volume-title":"Formal languages","author":"A. Salomaa","year":"1973","unstructured":"Salomaa, A.: Formal languages. London-New York: Academic Press 1973"}],"container-title":["Acta Informatica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF00288938.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF00288938\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF00288938","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,8]],"date-time":"2019-04-08T21:14:33Z","timestamp":1554758073000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF00288938"}},"subtitle":["I. Deterministic systems"],"short-title":[],"issued":{"date-parts":[[1974]]},"references-count":8,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1974]]}},"alternative-id":["BF00288938"],"URL":"https:\/\/doi.org\/10.1007\/bf00288938","relation":{},"ISSN":["0001-5903","1432-0525"],"issn-type":[{"value":"0001-5903","type":"print"},{"value":"1432-0525","type":"electronic"}],"subject":[],"published":{"date-parts":[[1974]]}}}