@article{Matkowski:2014,
author
=
"J.Matkowski",
title
=
"Invariance identity in the class of generalized quasiarithmetic means",
journal
=
"Colloquium Mathematicum",
volume
=
"Vol. 137",
number
=
"no. 2",
pages
=
"221--228",
year
=
"2014",
}