%0 Journal Article %A Janusz Matkowski %A Marek Pycia %T Convex-like inequality, homogeneity, subadditivity, and a characterization of $L^p$-norm %J Annales Polonici Mathematici %D 1994 %P 221-230 %V 60 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-60-3-221-230/ %R 10.4064/ap-60-3-221-230 %G en %F 10_4064_ap_60_3_221_230