%0 Journal Article %A Tardif, Claude %T Fractional multiples of graphs and the density of vertex-transitive graphs %J Journal of Algebraic Combinatorics %D 1999 %P 61-68 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_1999__10_1_a1/ %G en %F JAC_1999__10_1_a1