%0 Journal Article %A Nebeský, Ladislav %T On the distance function of a connected graph %J Czechoslovak Mathematical Journal %D 2008 %P 1101-1106 %V 58 %N 4 %U http://geodesic.mathdoc.fr/item/CMJ_2008_58_4_a16/ %G en %F CMJ_2008_58_4_a16