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The perfectly matchable subgraph polytope of a bipartite graph
Balas, Egon; Pulleyblank, William R. - 1981
Persistent link: https://www.econbiz.de/10000418848
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On proximity to paths and cycles in 3-connected graphs
Plummer, Mike D.; Pulleyblank, William R. - 1981
Persistent link: https://www.econbiz.de/10000421530
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Critical graphs, matching and tours or a hierarchy of relaxations for the travellig salesman problem
Cornuéjols, G.; Pulleyblank, W. R. - 1981
Persistent link: https://www.econbiz.de/10003518313