{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T12:46:11Z","timestamp":1773319571109,"version":"3.50.1"},"reference-count":23,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1979,1,1]],"date-time":"1979-01-01T00:00:00Z","timestamp":283996800000},"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":["Computers & Operations Research"],"published-print":{"date-parts":[[1979,1]]},"DOI":"10.1016\/0305-0548(79)90009-1","type":"journal-article","created":{"date-parts":[[2003,6,30]],"date-time":"2003-06-30T12:15:45Z","timestamp":1056975345000},"page":"1-12","source":"Crossref","is-referenced-by-count":11,"title":["Large region location problems"],"prefix":"10.1016","volume":"6","author":[{"suffix":"Jr.","given":"Daniel W.","family":"Litwhiler","sequence":"first","affiliation":[]},{"given":"Adel A.","family":"Aly","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0305-0548(79)90009-1_BIB1","doi-asserted-by":"crossref","unstructured":"C. ReVelle, D. Marks and J. C. Liebman, An analysts of private and public sector location models, Mgmt Sci. 16, 692\u2013707.","DOI":"10.1287\/mnsc.16.11.692"},{"key":"10.1016\/0305-0548(79)90009-1_BIB2","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1111\/j.1467-9787.1962.tb00902.x","article-title":"An efficient algorithm for the numerical solution of the generalized Weber problem in spatial economics","volume":"4","author":"Kuhn","year":"1962","journal-title":"J. Reg. Sci."},{"key":"10.1016\/0305-0548(79)90009-1_BIB3","doi-asserted-by":"crossref","first-page":"632","DOI":"10.1287\/opre.13.4.632","article-title":"Minimax detection station placement","volume":"13","author":"Smallwood","year":"1965","journal-title":"Ops Res."},{"key":"10.1016\/0305-0548(79)90009-1_BIB4","article-title":"Location of Central Facilities\u2014Heuristic Algorithms for Large Systems","author":"Chapelle","year":"1969"},{"key":"10.1016\/0305-0548(79)90009-1_BIB5","article-title":"The Multisource Weber Problem: Exact Solutions by Branch and Bound","author":"Kuenne","year":"1971"},{"key":"10.1016\/0305-0548(79)90009-1_BIB6","article-title":"Some Aspects in the Theory of Location","author":"Wendell","year":"1971"},{"key":"10.1016\/0305-0548(79)90009-1_BIB7","article-title":"Location-Allocation Systems: An Annotated Bibliography","author":"Lea","year":"1973"},{"key":"10.1016\/0305-0548(79)90009-1_BIB8","series-title":"paper presented at the Joint ORSA\/TIMS National Meeting","article-title":"Optimal Location on a Sphere","author":"Katz","year":"1975"},{"key":"10.1016\/0305-0548(79)90009-1_BIB9","series-title":"paper presented at the Joint ORSA\/TIMS National Meeting","article-title":"Optimum Location on a Sphere","author":"Katz","year":"1976"},{"key":"10.1016\/0305-0548(79)90009-1_BIB10","series-title":"Shortest Paths Variational Problems","author":"Lyusternik","year":"1964"},{"key":"10.1016\/0305-0548(79)90009-1_BIB11","series-title":"Nonlinear Programming","first-page":"37","article-title":"On a pair of dual nonlinear programs","author":"Kuhn","year":"1967"},{"key":"10.1016\/0305-0548(79)90009-1_BIB12","doi-asserted-by":"crossref","first-page":"314","DOI":"10.1287\/opre.21.1.314","article-title":"Location theory, Dominance, and Convexity","volume":"21","author":"Wendell","year":"1973","journal-title":"Ops Res."},{"key":"10.1016\/0305-0548(79)90009-1_BIB13","article-title":"Large Region Location Problems","author":"Litwhiler","year":"1976"},{"key":"10.1016\/0305-0548(79)90009-1_BIB14","series-title":"Optimization Techniques in Operations Research","author":"Sivazlian","year":"1975"},{"key":"10.1016\/0305-0548(79)90009-1_BIB15","series-title":"College Geometry","author":"Kay","year":"1969"},{"key":"10.1016\/0305-0548(79)90009-1_BIB16","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1287\/opre.11.3.331","article-title":"Location-allocation problems","volume":"11","author":"Cooper","year":"1963","journal-title":"Ops Res."},{"key":"10.1016\/0305-0548(79)90009-1_BIB17","first-page":"355","article-title":"Sur le point pour lequel la somme des distances de n points donn\u00e9s est minimum","volume":"43","author":"Weiszfeld","year":"1936","journal-title":"Tohoku Math. J."},{"key":"10.1016\/0305-0548(79)90009-1_BIB18","doi-asserted-by":"crossref","first-page":"1224","DOI":"10.1137\/0117113","article-title":"On the convergence of a numerical scheme for solving some locational equilibrium problems","volume":"17","author":"Katz","year":"1969","journal-title":"SIAM J. appl. Math."},{"key":"10.1016\/0305-0548(79)90009-1_BIB19","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1007\/BF01580224","article-title":"Local convergence in Fermat's problem","volume":"6","author":"Katz","year":"1974","journal-title":"Mathl Programming"},{"key":"10.1016\/0305-0548(79)90009-1_BIB20","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1007\/BF01584648","article-title":"A note on Fermat's problem","volume":"4","author":"Kuhn","year":"1973","journal-title":"Mathl Programming"},{"key":"10.1016\/0305-0548(79)90009-1_BIB21","series-title":"Coordinate Systems and Map Projections","author":"Maling","year":"1973"},{"key":"10.1016\/0305-0548(79)90009-1_BIB22","series-title":"Nonlinear Programming: A Unified Approach","author":"Zangwill","year":"1974"},{"key":"10.1016\/0305-0548(79)90009-1_BIB23","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1002\/nav.3800220215","article-title":"An efficient cyclic coordinate method for optimizing penalty functions","volume":"22","author":"Bazaraa","year":"1975","journal-title":"Nav. Res. Logist. Q."}],"container-title":["Computers & Operations Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054879900091?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054879900091?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T12:27:01Z","timestamp":1552912021000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0305054879900091"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1979,1]]},"references-count":23,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1979,1]]}},"alternative-id":["0305054879900091"],"URL":"https:\/\/doi.org\/10.1016\/0305-0548(79)90009-1","relation":{},"ISSN":["0305-0548"],"issn-type":[{"value":"0305-0548","type":"print"}],"subject":[],"published":{"date-parts":[[1979,1]]}}}