%0 Journal Article %A Nebeský, Ladislav %T The interval function of a connected graph and a characterization of geodetic graphs %J Mathematica Bohemica %D 2001 %P 247-254 %V 126 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2001.133909/ %R 10.21136/MB.2001.133909 %G en %F 10_21136_MB_2001_133909