{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T19:49:44Z","timestamp":1758397784030},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[1998,12,1]],"date-time":"1998-12-01T00:00:00Z","timestamp":912470400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mathematical Methods of OR"],"published-print":{"date-parts":[[1998,12]]},"DOI":"10.1007\/s001860050032","type":"journal-article","created":{"date-parts":[[2002,8,25]],"date-time":"2002-08-25T01:57:49Z","timestamp":1030240669000},"page":"349-357","source":"Crossref","is-referenced-by-count":33,"title":["A unified approach to the existing three types of variational principles for vector valued functions"],"prefix":"10.1007","volume":"48","author":[{"given":"G. Y.","family":"Chen","sequence":"first","affiliation":[]},{"given":"X. X.","family":"Huang","sequence":"additional","affiliation":[]}],"member":"297","container-title":["Mathematical Methods of Operations Research"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s001860050032.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s001860050032\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s001860050032","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,23]],"date-time":"2019-05-23T10:33:34Z","timestamp":1558607614000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s001860050032"}},"subtitle":[""],"short-title":[],"issued":{"date-parts":[[1998,12]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1998,12]]}},"alternative-id":["80480349.186"],"URL":"https:\/\/doi.org\/10.1007\/s001860050032","relation":{},"ISSN":["1432-2994"],"issn-type":[{"value":"1432-2994","type":"print"}],"subject":[],"published":{"date-parts":[[1998,12]]}}}