{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T09:04:36Z","timestamp":1775639076665,"version":"3.50.1"},"reference-count":6,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1978,1,1]],"date-time":"1978-01-01T00:00:00Z","timestamp":252460800000},"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":12981,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Discrete Mathematics"],"published-print":{"date-parts":[[1978]]},"DOI":"10.1016\/0012-365x(78)90062-6","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T03:33:13Z","timestamp":1027654393000},"page":"287-300","source":"Crossref","is-referenced-by-count":73,"title":["On classes of relations and graphs determined by subobjects and factorobjects"],"prefix":"10.1016","volume":"22","author":[{"given":"Jaroslav","family":"Ne\u0161et\u0159il","sequence":"first","affiliation":[]},{"given":"Ale\u0161","family":"Pultr","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0012-365X(78)90062-6_BIB1","first-page":"167","article-title":"On graphs of Ramsey type","volume":"1","author":"Burr","year":"1976","journal-title":"ARS Combinatoria"},{"key":"10.1016\/0012-365X(78)90062-6_BIB2","doi-asserted-by":"crossref","first-page":"449","DOI":"10.4153\/CJM-1965-045-4","article-title":"Paths, trees and flowers","volume":"17","author":"Edmonds","year":"1965","journal-title":"Can. J. Math."},{"key":"10.1016\/0012-365X(78)90062-6_BIB3","doi-asserted-by":"crossref","first-page":"34","DOI":"10.4153\/CJM-1959-003-9","article-title":"Graph theory and probability","volume":"11","author":"Erd\u00f6s","year":"1959","journal-title":"Can. J. Math."},{"issue":"3","key":"10.1016\/0012-365X(78)90062-6_BIB4","doi-asserted-by":"crossref","first-page":"392","DOI":"10.1215\/ijm\/1256054991","article-title":"On full embedding of categories of algebras","volume":"10","author":"Hedrlin","year":"1966","journal-title":"Illinois J. Math."},{"issue":"3","key":"10.1016\/0012-365X(78)90062-6_BIB5","doi-asserted-by":"crossref","first-page":"375","DOI":"10.4153\/CMB-1970-071-3","article-title":"Graphs and k-societies","volume":"13","author":"Hell","year":"1970","journal-title":"Can. Math. Bull."},{"key":"10.1016\/0012-365X(78)90062-6_BIB6","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/0012-365X(77)90055-3","article-title":"Productive classes and subdirect irreducibility, in particular for graphs","volume":"20","author":"Pultr","year":"1977","journal-title":"Discrete Math."}],"container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X78900626?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X78900626?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,2,5]],"date-time":"2020-02-05T10:13:58Z","timestamp":1580897638000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012365X78900626"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1978]]},"references-count":6,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1978]]}},"alternative-id":["0012365X78900626"],"URL":"https:\/\/doi.org\/10.1016\/0012-365x(78)90062-6","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[1978]]}}}