%0 Journal Article %A NoƓmen Jarboui %T Some remarks on the altitude inequality %J Colloquium Mathematicum %D 1999 %P 39-52 %V 80 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-80-1-39-52/ %R 10.4064/cm-80-1-39-52 %G en %F 10_4064_cm_80_1_39_52