1. Star multigraphs with three vertices of maximum degree;Chetwynd;Math. Proc. Camb. Philos. Soc.,1986
2. The edge-chromatic class of graphs with maximum degree at least |V|−3;Chetwynd,1989
3. Edge-Colourings of Graphs;Fiorini,1977
4. Colorations des arêtes d'un graphe;Fournier;Cah. Cent. étud. Rech. Opér.,1973