@article{Matkowski:2009,
author
=
"J.Matkowski and M.Pycia",
title
=
"Convex-like inequality, homogeneity, subadditivity, and a characterization of $L^p$-norm",
journal
=
"Annales Polonici Mathematici",
volume
=
"Vol. 60",
number
=
"no 3",
pages
=
"221--230",
year
=
"1995",
}