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"A Lagrangian heuristic for the Prize CollectingTravelling Salesman Problem."
Mauro Dell'Amico, Francesco Maffioli, Anna Sciomachen (1998)
- Mauro Dell'Amico, Francesco Maffioli, Anna Sciomachen:
A Lagrangian heuristic for the Prize CollectingTravelling Salesman Problem. Ann. Oper. Res. 81: 289-306 (1998)
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