@article{Matkowski:2009,
author
=
"J.Matkowski",
title
=
"On $a$-Wright convexity and the converse of Minkowski's inequality",
journal
=
"Aequationes Mathematicae",
volume
=
"Vol. 43",
number
=
"no 1",
pages
=
"106--112",
year
=
"1992",
}