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The multi-level uncapacitated facility location problem is not submodular
Barros, A.I.; Labbe, M. - In: European journal of operational research : EJOR 71 (1993) 1, pp. 130-132
Persistent link: https://www.econbiz.de/10006689288
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A two-level network for recycling sand: A case study
Barros, A.I.; Dekker, R.; Scholten, V. - In: European journal of operational research : EJOR 110 (1998) 2, pp. 199-214
Persistent link: https://www.econbiz.de/10006669620
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Optimizing a General Optimal Replacement Model by Fractional Programming Techniques
Barros, A.I.; Dekker, R.; Frenk, J.B.G.; Weeren, S.Van - In: Journal of global optimization : an international … 10 (1997) 4, pp. 405-424
Persistent link: https://www.econbiz.de/10007198891
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Using Duality to Solve Generalized Fractional Programming Problems
Barros, A.I.; Frenk, J.B.G.; Schaible, S.; Zhang, S. - In: Journal of global optimization : an international … 8 (1996) 2, pp. 139-170
Persistent link: https://www.econbiz.de/10007208493