{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T14:44:27Z","timestamp":1777128267636,"version":"3.51.4"},"reference-count":5,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1979,1,1]],"date-time":"1979-01-01T00:00:00Z","timestamp":283996800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1979,1,1]],"date-time":"1979-01-01T00:00:00Z","timestamp":283996800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":12616,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Discrete Mathematics"],"published-print":{"date-parts":[[1979]]},"DOI":"10.1016\/0012-365x(79)90155-9","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T23:33:13Z","timestamp":1027639993000},"page":"85-88","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":13,"title":["A Tur\u00e1n type problem for interval graphs"],"prefix":"10.1016","volume":"25","author":[{"given":"Harvey","family":"Abbott","sequence":"first","affiliation":[]},{"given":"Meir","family":"Katchalski","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0012-365X(79)90155-9_BIB1","series-title":"Graphs et Hypergraphs","author":"Berge","year":"1970"},{"key":"10.1016\/0012-365X(79)90155-9_BIB2","series-title":"Graph Theory","author":"Harary","year":"1969"},{"key":"10.1016\/0012-365X(79)90155-9_BIB3","unstructured":"M. Katchalski and A. Liu, Symmetric twins and common transversals, Pacific J. Math, to appear."},{"key":"10.1016\/0012-365X(79)90155-9_BIB4","doi-asserted-by":"crossref","first-page":"45","DOI":"10.4064\/fm-51-1-45-64","article-title":"Representation of a finite graph by a set of intervals on the real line","volume":"51","author":"Lekkerkekker","year":"1962","journal-title":"Fund. Math."},{"key":"10.1016\/0012-365X(79)90155-9_BIB5","doi-asserted-by":"crossref","first-page":"19","DOI":"10.4064\/cm-3-1-19-30","article-title":"On the theory of graphs","volume":"3","author":"Tur\u00e1n","year":"1954","journal-title":"Colloq. Math."}],"container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X79901559?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X79901559?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T14:01:12Z","timestamp":1777125672000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012365X79901559"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1979]]},"references-count":5,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1979]]}},"alternative-id":["0012365X79901559"],"URL":"https:\/\/doi.org\/10.1016\/0012-365x(79)90155-9","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[1979]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A Tur\u00e1n type problem for interval graphs","name":"articletitle","label":"Article Title"},{"value":"Discrete Mathematics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/0012-365X(79)90155-9","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 1979 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}