1. P. Afshani, H. Hatami, R. Tusserkani, Circular edge chromatic number of cubic graphs, Manuscript, 2003.
2. R. Aharoni, E. Berger, R. Ziv, Independent systems of representatives in weighted graphs, Manuscript, 2002.
3. Triangulated spheres and colored cliques;Aharoni;Discrete Comput. Geom.,2002
4. Hall's theorem for hypergraphs;Aharoni;J. Graph Theory,2000
5. A note on the star chromatic number;Bondy;J. Graph Theory,1990