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The multi-level uncapacitated facility location problem is not submodular
Barros, A. I.; Labbé, M. - 1993
Persistent link: https://www.econbiz.de/10000122492
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Generalized fractional programming and cutting plane algorithms
Barros, A. I.; Frenk, J. B. - 1993
Persistent link: https://www.econbiz.de/10000122509
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Optimizing a general optimal replacement model by fractional programming techniques
Barros, A. I. (contributor) - 1995
Persistent link: https://www.econbiz.de/10000922214
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A new algorithm for generalized fractional programs
Barros, A. I. (contributor) - 1994
Persistent link: https://www.econbiz.de/10000150814
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How duality can be used to solve generalized fractional programming problems
Barros, A. I.; Frenk, J. B.; Zhang, S. - 1994
Persistent link: https://www.econbiz.de/10000151674