{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T22:53:18Z","timestamp":1769640798902,"version":"3.49.0"},"publisher-location":"Boston, MA","reference-count":2,"publisher":"Springer US","isbn-type":[{"value":"9780387747583","type":"print"},{"value":"9780387747590","type":"electronic"}],"license":[{"start":{"date-parts":[[2008,1,1]],"date-time":"2008-01-01T00:00:00Z","timestamp":1199145600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2008,1,1]],"date-time":"2008-01-01T00:00:00Z","timestamp":1199145600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2008]]},"DOI":"10.1007\/978-0-387-74759-0_697","type":"book-chapter","created":{"date-parts":[[2008,8,25]],"date-time":"2008-08-25T11:06:50Z","timestamp":1219662410000},"page":"3999-4002","source":"Crossref","is-referenced-by-count":1,"title":["Variational Inequalities: Geometric Interpretation, Existence and Uniqueness"],"prefix":"10.1007","author":[{"given":"Anna","family":"Nagurney","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"697_CR1_697","volume-title":"An introduction to variational inequalities","author":"D. Kinderleher","year":"1980","unstructured":"Kinderleher D, Stampacchia G (1980) An introduction to variational inequalities. Acad. Press, New York"},{"key":"697_CR2_697","doi-asserted-by":"crossref","DOI":"10.1007\/978-94-011-2178-1","volume-title":"Network economics: A\u00a0variational inequality approach","author":"A. Nagurney","year":"1993","unstructured":"Nagurney A (1993) Network economics: A\u00a0variational inequality approach. Kluwer, Dordrecht"}],"container-title":["Encyclopedia of Optimization"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/978-0-387-74759-0_697","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,7,11]],"date-time":"2024-07-11T11:05:19Z","timestamp":1720695919000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/978-0-387-74759-0_697"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2008]]},"ISBN":["9780387747583","9780387747590"],"references-count":2,"URL":"https:\/\/doi.org\/10.1007\/978-0-387-74759-0_697","relation":{},"subject":[],"published":{"date-parts":[[2008]]}}}