@article{Matkowski:2009,
author
=
"J.Matkowski",
title
=
"On a characterization of $L^p$-norm",
journal
=
"Annales Polonici Mathematici",
volume
=
"Vol. 50",
number
=
"no 2",
pages
=
"137--144",
year
=
"1989",
}