{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,5]],"date-time":"2026-04-05T21:26:42Z","timestamp":1775424402288,"version":"3.50.1"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2001,5,1]],"date-time":"2001-05-01T00:00:00Z","timestamp":988675200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Math. Program."],"published-print":{"date-parts":[[2001,5]]},"DOI":"10.1007\/pl00011435","type":"journal-article","created":{"date-parts":[[2006,2,17]],"date-time":"2006-02-17T17:05:53Z","timestamp":1140195953000},"page":"559-566","source":"Crossref","is-referenced-by-count":78,"title":["A modified Weiszfeld algorithm for the Fermat-Weber location problem"],"prefix":"10.1007","volume":"90","author":[{"given":"Yehuda","family":"Vardi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cun-Hui","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","container-title":["Mathematical Programming"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/PL00011435.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/PL00011435\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/PL00011435","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,23]],"date-time":"2019-05-23T01:56:42Z","timestamp":1558576602000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/PL00011435"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001,5]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2001,5]]}},"alternative-id":["0100222"],"URL":"https:\/\/doi.org\/10.1007\/pl00011435","relation":{},"ISSN":["0025-5610"],"issn-type":[{"value":"0025-5610","type":"print"}],"subject":[],"published":{"date-parts":[[2001,5]]}}}