%0 Journal Article %A Caicedo, Xavier %T Subdirect decomposition of $n$-chromatic graphs %J Journal of Algebraic Combinatorics %D 1998 %P 157-168 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_1998__8_2_a3/ %G en %F JAC_1998__8_2_a3