1. J.A. Bondy, U.S.R. Murty, Graph Theory with Applications, New York, 1976.
2. M. DeVos, T. Johnson, P. Seymour, Cut coloring and circuit covering, manuscript.
3. [a,b]-Factorization of a graph;Kano;J. Graph Theory,1985
4. On decomposition of graphs;Lovász;Studia Sci. Math. Hungar.,1966
5. Subgraphs with prescribed valencies;Lovász;J. Combin. Theory,1970