{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,2]],"date-time":"2026-03-02T12:11:46Z","timestamp":1772453506779,"version":"3.50.1"},"reference-count":0,"publisher":"Elsevier BV","issue":"1-3","license":[{"start":{"date-parts":[[2001,9,1]],"date-time":"2001-09-01T00:00:00Z","timestamp":999302400000},"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":4337,"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":[[2001,9]]},"DOI":"10.1016\/s0012-365x(00)00391-5","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T12:16:31Z","timestamp":1027599391000},"page":"187-196","source":"Crossref","is-referenced-by-count":3,"title":["Diagonal flips in pseudo-triangulations on closed surfaces"],"prefix":"10.1016","volume":"240","author":[{"given":"Seiya","family":"Negami","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012365X00003915?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012365X00003915?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,30]],"date-time":"2019-04-30T21:54:24Z","timestamp":1556661264000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0012365X00003915"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001,9]]},"references-count":0,"journal-issue":{"issue":"1-3","published-print":{"date-parts":[[2001,9]]}},"alternative-id":["S0012365X00003915"],"URL":"https:\/\/doi.org\/10.1016\/s0012-365x(00)00391-5","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[2001,9]]}}}