{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:56:51Z","timestamp":1760245011523,"version":"build-2065373602"},"reference-count":6,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2003,7,1]],"date-time":"2003-07-01T00:00:00Z","timestamp":1057017600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2003,7,1]],"date-time":"2003-07-01T00:00:00Z","timestamp":1057017600000},"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":3669,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Applied Mathematics Letters"],"published-print":{"date-parts":[[2003,7]]},"DOI":"10.1016\/s0893-9659(03)00074-0","type":"journal-article","created":{"date-parts":[[2003,9,11]],"date-time":"2003-09-11T17:05:40Z","timestamp":1063299940000},"page":"729-732","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Neumann boundary value problems with discontinuities"],"prefix":"10.1016","volume":"16","author":[{"given":"N.","family":"Halidias","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"year":"1983","series-title":"Optimization and Nonsmooth Analysis","author":"Clarke","key":"10.1016\/S0893-9659(03)00074-0_BIB1"},{"issue":"2","key":"10.1016\/S0893-9659(03)00074-0_BIB2","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/0022-247X(89)90070-X","article-title":"The dual variational principle and elliptic problems with discontinuous nonlinearities","volume":"140","author":"Ambrosetti","year":"1989","journal-title":"J. Math. Anal. Appl."},{"year":"1994","series-title":"Monotone Iterative Techniques for Discontinuous Nonlinear Differential Equations","author":"Heikkila","key":"10.1016\/S0893-9659(03)00074-0_BIB3"},{"year":"1975","series-title":"Sobolev Spaces","author":"Adams","key":"10.1016\/S0893-9659(03)00074-0_BIB4"},{"year":"1984","series-title":"Nonlinear Functional Analysis and Its Applications: III Viariationals Methods and Optimization","author":"Zeidler","key":"10.1016\/S0893-9659(03)00074-0_BIB5"},{"issue":"2","key":"10.1016\/S0893-9659(03)00074-0_BIB6","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1112\/jlms\/s2-21.2.319","article-title":"A variational method for boundary value problems with discontinuous nonlinearities","volume":"21","author":"Stuart","year":"1980","journal-title":"J. London Math. Soc."}],"container-title":["Applied Mathematics Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965903000740?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965903000740?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:07:53Z","timestamp":1760238473000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0893965903000740"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2003,7]]},"references-count":6,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2003,7]]}},"alternative-id":["S0893965903000740"],"URL":"https:\/\/doi.org\/10.1016\/s0893-9659(03)00074-0","relation":{},"ISSN":["0893-9659"],"issn-type":[{"type":"print","value":"0893-9659"}],"subject":[],"published":{"date-parts":[[2003,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Neumann boundary value problems with discontinuities","name":"articletitle","label":"Article Title"},{"value":"Applied Mathematics Letters","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/S0893-9659(03)00074-0","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2003 Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}