{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T19:46:53Z","timestamp":1775504813015,"version":"3.50.1"},"reference-count":4,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1974,1,1]],"date-time":"1974-01-01T00:00:00Z","timestamp":126230400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":14442,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Combinatorial Theory, Series A"],"published-print":{"date-parts":[[1974,1]]},"DOI":"10.1016\/0097-3165(74)90066-1","type":"journal-article","created":{"date-parts":[[2004,11,6]],"date-time":"2004-11-06T18:03:10Z","timestamp":1099764190000},"page":"1-11","source":"Crossref","is-referenced-by-count":27,"title":["View-obstruction problems in n-dimensional geometry"],"prefix":"10.1016","volume":"16","author":[{"given":"T.W","family":"Cusick","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0097-3165(74)90066-1_BIB1","doi-asserted-by":"crossref","unstructured":"T. W. Cusick, View-obstruction problems, Aequationes Math. 8 (972), 197\u2013198.","DOI":"10.1007\/BF01832753"},{"key":"10.1016\/0097-3165(74)90066-1_BIB2","first-page":"170","volume":"Vol. II","author":"Landau","year":"1927"},{"key":"10.1016\/0097-3165(74)90066-1_BIB3","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1112\/jlms\/s1-33.3.371","article-title":"Integral formulae of arithmetical character","volume":"33","author":"Mordell","year":"1958","journal-title":"J. London Math. Soc."},{"key":"10.1016\/0097-3165(74)90066-1_BIB4","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1007\/BF01362551","article-title":"Zur simultanen homogenen diophantischen Approximation I","volume":"72","author":"Wills","year":"1968","journal-title":"Monatsh. Math."}],"container-title":["Journal of Combinatorial Theory, Series A"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0097316574900661?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0097316574900661?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,4,3]],"date-time":"2020-04-03T21:15:52Z","timestamp":1585948552000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0097316574900661"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1974,1]]},"references-count":4,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1974,1]]}},"alternative-id":["0097316574900661"],"URL":"https:\/\/doi.org\/10.1016\/0097-3165(74)90066-1","relation":{},"ISSN":["0097-3165"],"issn-type":[{"value":"0097-3165","type":"print"}],"subject":[],"published":{"date-parts":[[1974,1]]}}}