%0 Journal Article %A Poon, Kin-Keung %T On Harpers’ result concerning the bandwidths of graphs %J Czechoslovak Mathematical Journal %D 2004 %P 401-405 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2004__54_2_a11/ %G en %F CMJ_2004__54_2_a11