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"Critical graphs, matching and tours or a hierarchy of relaxations for the ..."
Gérard Cornuéjols, William R. Pulleyblank (1983)
- Gérard Cornuéjols, William R. Pulleyblank:
Critical graphs, matching and tours or a hierarchy of relaxations for the traveling salesman problem. Comb. 3(1): 35-52 (1983)

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