@article{Matkowski:2013,
author
=
"J.Matkowski",
title
=
"Generalized weigthed quasi-aritmetic means and the Kolmogorov-Nagumo theorem",
journal
=
"Colloquium Mathematicum",
volume
=
"Vol. 133",
number
=
"no. 1",
pages
=
"35--49",
year
=
"2013",
}