{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T00:08:26Z","timestamp":1774915706356,"version":"3.50.1"},"reference-count":5,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[1990,3,1]],"date-time":"1990-03-01T00:00:00Z","timestamp":636249600000},"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":[[1990,3]]},"DOI":"10.1007\/bf00264611","type":"journal-article","created":{"date-parts":[[2004,9,28]],"date-time":"2004-09-28T04:18:02Z","timestamp":1096345082000},"page":"315-342","source":"Crossref","is-referenced-by-count":172,"title":["Partial (set) 2-structures"],"prefix":"10.1007","volume":"27","author":[{"given":"A.","family":"Ehrenfeucht","sequence":"first","affiliation":[]},{"given":"G.","family":"Rozenberg","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"BF00264611_CR1","doi-asserted-by":"crossref","unstructured":"Ehrenfeucht, A., Rozenberg, G.: Theory of 2-structures, Part I: Clans, morphisms, and basic subclasses. Theor. Comput. Sci. (to appear)","DOI":"10.1016\/0304-3975(90)90129-6"},{"key":"BF00264611_CR2","doi-asserted-by":"crossref","unstructured":"Ehrenfeucht, A., Rozenberg, G.: Theory of 2-structures, Part II: Representation through labeled tree families. Theor. Comput. Sci. (to appear)","DOI":"10.1016\/0304-3975(90)90130-A"},{"key":"BF00264611_CR3","volume-title":"Graph theory","author":"F. Harary","year":"1989","unstructured":"Harary, F.: Graph theory. Reading, Mass: Addison-Wesley 1989"},{"key":"BF00264611_CR4","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-642-69968-9","volume-title":"P\u00e9tri nets: An introduction","author":"W. Reisig","year":"1985","unstructured":"Reisig, W.: P\u00e9tri nets: An introduction. Berlin Heidelberg New York: Springer 1985"},{"key":"BF00264611_CR5","doi-asserted-by":"crossref","first-page":"585","DOI":"10.1007\/BFb0027048","volume-title":"Current trends in concurrency","author":"G. Rozenberg","year":"1986","unstructured":"Rozenberg, G., Thiagarajan, P.S.: Petri nets: basic notions, structure, behaviour. In: de Bakker, J.W., de Roever, W.P., Rozenberg, G. (eds.) Current trends in concurrency, pp. 585\u2013668. Berlin Heidelberg New York: Springer 1986"}],"container-title":["Acta Informatica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF00264611.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF00264611\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF00264611","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T17:14:53Z","timestamp":1554311693000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF00264611"}},"subtitle":["Part I: basic notions and the representation problem"],"short-title":[],"issued":{"date-parts":[[1990,3]]},"references-count":5,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1990,3]]}},"alternative-id":["BF00264611"],"URL":"https:\/\/doi.org\/10.1007\/bf00264611","relation":{},"ISSN":["0001-5903","1432-0525"],"issn-type":[{"value":"0001-5903","type":"print"},{"value":"1432-0525","type":"electronic"}],"subject":[],"published":{"date-parts":[[1990,3]]}}}