%0 Journal Article %A Janusz Matkowski %T Affine and convex functions with respect to the logarithmic mean %J Colloquium Mathematicum %D 2003 %P 217-230 %V 95 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm95-2-6/ %R 10.4064/cm95-2-6 %G en %F 10_4064_cm95_2_6