%0 Journal Article %A Pascal Berthomé %A Raul Cordovil %A David Forge %A Véronique Ventos %A Thomas Zaslavsky %T An elementary chromatic reduction for gain graphs and special hyperplane arrangements %J The electronic journal of combinatorics %D 2009 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/210/ %R 10.37236/210 %F 10_37236_210