1. Perfect matchings of a graph;Anderson;J. Combin. Theory Ser. B,1971
2. Odd rooted orientations and upper-embeddable graphs;Chevalier;Ann. Discrete Math.,1983
3. Edge-disjoint branchings;Edmonds,1973
4. Orientations of graphs and submodular flows;Frank;Congr. Numer.,1996
5. Parity constrained k-edge-connected orientations;Frank,1999