1. General factors of graphs;Cornuéjols;J. Combin. Theory, Ser. B,1988
2. Paths, trees, and flowers;Edmonds;Canad. J. Math.,1965
3. Matching: a well-solved class of integer linear programs;Edmonds,1970
4. Maximale Systeme unabhängiger kanten;Gallai;Magyar Tud. Akad. Mat. Kutató Int. Közl.,1964
5. The factorization of graphs;Lovász,1970