TY - JOUR AU - Poon, Kin-Keung TI - On Harpers’ result concerning the bandwidths of graphs JO - Czechoslovak Mathematical Journal PY - 2004 SP - 401 EP - 405 VL - 54 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_2004__54_2_a11/ LA - en ID - CMJ_2004__54_2_a11 ER -