@article{Matkowski:2012,
author
=
"J.Matkowski",
title
=
"Invariance of a quasi-arithmetic mean with respect to a system of generalized Bajraktarević means",
journal
=
"Applied Mathematics Letters",
volume
=
"Vol. 25",
number
=
"no 11",
pages
=
"1651--1655",
year
=
"2012",
}