{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:56:54Z","timestamp":1760245014341,"version":"build-2065373602"},"reference-count":3,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2002,8,1]],"date-time":"2002-08-01T00:00:00Z","timestamp":1028160000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2002,8,1]],"date-time":"2002-08-01T00:00:00Z","timestamp":1028160000000},"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":4003,"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":[[2002,8]]},"DOI":"10.1016\/s0893-9659(02)00028-9","type":"journal-article","created":{"date-parts":[[2002,10,8]],"date-time":"2002-10-08T08:14:51Z","timestamp":1034064891000},"page":"685-691","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["r-Numbers completion problems of partial upper canonical form I"],"prefix":"10.1016","volume":"15","author":[{"given":"C.","family":"Jord\u00e1n","sequence":"first","affiliation":[]},{"given":"J.R.","family":"Torregrosa","sequence":"additional","affiliation":[]},{"given":"A.M.","family":"Urbano","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/S0893-9659(02)00028-9_BIB1","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1007\/BF01204263","article-title":"A classification of upper equivalent matrices: The generic case","volume":"14","author":"Gohberg","year":"1991","journal-title":"Integral Equations and Operator Theory"},{"key":"10.1016\/S0893-9659(02)00028-9_BIB2","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1016\/0024-3795(92)90023-4","article-title":"Controllability and completions of partial upper triangular matrices over rings","volume":"172","author":"Gurvits","year":"1992","journal-title":"Linear Algebra and Applications"},{"key":"10.1016\/S0893-9659(02)00028-9_BIB3","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1007\/BF01213468","article-title":"Controllability by completions of partial upper triangular matrices","volume":"6","author":"Gurvits","year":"1993","journal-title":"Mathematics of Control, Signals and Systems"}],"container-title":["Applied Mathematics Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965902000289?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965902000289?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:05:11Z","timestamp":1760238311000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0893965902000289"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,8]]},"references-count":3,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2002,8]]}},"alternative-id":["S0893965902000289"],"URL":"https:\/\/doi.org\/10.1016\/s0893-9659(02)00028-9","relation":{},"ISSN":["0893-9659"],"issn-type":[{"type":"print","value":"0893-9659"}],"subject":[],"published":{"date-parts":[[2002,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"r-Numbers completion problems of partial upper canonical form I","name":"articletitle","label":"Article Title"},{"value":"Applied Mathematics Letters","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/S0893-9659(02)00028-9","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2002 Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}