{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T19:03:58Z","timestamp":1771700638721,"version":"3.50.1"},"reference-count":7,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1997,12,1]],"date-time":"1997-12-01T00:00:00Z","timestamp":880934400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computer Aided Geometric Design"],"published-print":{"date-parts":[[1997,12]]},"DOI":"10.1016\/s0167-8396(97)81783-9","type":"journal-article","created":{"date-parts":[[2003,5,12]],"date-time":"2003-05-12T23:54:49Z","timestamp":1052783689000},"page":"27-38","source":"Crossref","is-referenced-by-count":13,"title":["Linear convexity conditions for rectangular and triangular Bernstein-B\u00e9zier surfaces"],"prefix":"10.1016","volume":"15","author":[{"given":"J.M.","family":"Carnicer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.S.","family":"Floater","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.M.","family":"Pe\u00f1a","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/S0167-8396(97)81783-9_BIB1","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1007\/BFb0093794","article-title":"Variation diminishing properties and convexity for the tensor product Bernstein operator","volume":"1511","author":"Cavaretta","year":"1992","journal-title":"Lecture Notes in Mathematics"},{"key":"10.1016\/S0167-8396(97)81783-9_BIB2","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1016\/0021-9045(84)90132-1","article-title":"The convexity of Bernstein polynomials over triangles","volume":"40","author":"Chang","year":"1984","journal-title":"J. Approx. Theory"},{"key":"10.1016\/S0167-8396(97)81783-9_BIB3","doi-asserted-by":"crossref","first-page":"279","DOI":"10.1016\/0167-8396(84)90014-1","article-title":"An improved condition for the convexity of Bernstein-B\u00e9zier surfaces over triangles","volume":"1","author":"Chang","year":"1984","journal-title":"Computer Aided Geometric Design"},{"key":"10.1016\/S0167-8396(97)81783-9_BIB4","first-page":"171","article-title":"A new proof for the convexity of Bernstein-B\u00e9zier surfaces over triangles","volume":"6","author":"Chang","year":"1985","journal-title":"Chinese Annals of Mathematics"},{"key":"10.1016\/S0167-8396(97)81783-9_BIB5","first-page":"107","article-title":"Convexity and Bernstein-B\u00e9zier polynomials","volume":"Vol. 1","author":"Dahmen","year":"1991"},{"key":"10.1016\/S0167-8396(97)81783-9_BIB6","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1007\/BF02519036","article-title":"A weak condition for the convexity of tensor-product B\u00e9zier and B-spline surfaces","volume":"2","author":"Floater","year":"1994","journal-title":"Adv. in Comp. Math."},{"key":"10.1016\/S0167-8396(97)81783-9_BIB7","first-page":"363","article-title":"Some sufficient conditions for convexity of multivariate Bernstein-B\u00e9zier polynomials and box spline surfaces","volume":"28","author":"Lai","year":"1990","journal-title":"Studia Scient. Math. Hung."}],"container-title":["Computer Aided Geometric Design"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167839697817839?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167839697817839?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,14]],"date-time":"2019-04-14T02:53:30Z","timestamp":1555210410000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0167839697817839"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1997,12]]},"references-count":7,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1997,12]]}},"alternative-id":["S0167839697817839"],"URL":"https:\/\/doi.org\/10.1016\/s0167-8396(97)81783-9","relation":{},"ISSN":["0167-8396"],"issn-type":[{"value":"0167-8396","type":"print"}],"subject":[],"published":{"date-parts":[[1997,12]]}}}