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The elliosoid method and its consequences in combinatorial optimization
Grötschel, M.; Lovász, L.; Schrijver, A. - 1980
Persistent link: https://www.econbiz.de/10000675559
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On the symmetric travelling salesman problem I. : inequalities
Grötschel, Martin - 1977
Persistent link: https://www.econbiz.de/10002551496
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On the symmetric travelling salesman problem II. : lifting theorems and facets
Grötschel, Martin - 1977
Persistent link: https://www.econbiz.de/10002551502
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On the symmetric travelling salesman problem : solution of a 120-city problem
Grötschel, Martin - 1977
Persistent link: https://www.econbiz.de/10002551513