%0 Journal Article %A Biggs, N.L. %T Chip-firing and the critical group of a graph %J Journal of Algebraic Combinatorics %D 1999 %P 25-45 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_1999__9_1_a2/ %G en %F JAC_1999__9_1_a2