1. Graphes et hypergraphes;Berge,1973
2. Polytope des stables d'un graphe série-paralléle;Boulala,1978
3. Paths, trees and flowers;Edmonds;Canad. J. Math.,1965
4. Maximum matching and a polyhedron with (0, 1) vertices;Edmonds;J. Res. Bureau Stand.,1965
5. Blocking polyhedra;Fulkerson,1969