1. Approximating the chromatic index of multigraphs;Chen;J. Comb. Optim.,2011
2. L.M. Favrholdt, M. Stiebitz, B. Toft, Graph Edge Coloring: Vizing’s Theorem and Goldberg’s Conjecture, Preprint 2006 No. 20, IMADA, The University of Southern Denmark, 91 pages.
3. On multigraphs with almost-maximal chromatic class;Goldberg;Diskret. Analiz.,1973
4. Edge-coloring of multigraphs: recoloring technique;Goldberg;J. Graph Th.,1984
5. On characterizing Vizing’s edge-coloring bound;Haxell;J. Graph Th.,2012