%0 Journal Article %A Nebeský, Ladislav %T Characterizing the interval function of a connected graph %J Mathematica Bohemica %D 1998 %P 137-144 %V 123 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1998.126307/ %R 10.21136/MB.1998.126307 %G en %F 10_21136_MB_1998_126307