@article{Matkowski:2009,
author
=
"J.Matkowski",
title
=
"Iterations of mean-type mappings and invariant means",
journal
=
"Annales Mathematicae Silesianae : Uniwersytet Śląski ; Katowice : Prace Naukowe Uniwersytetu Śląskiego w Katowicach",
volume
=
"nr 13",
number
=
"1830",
pages
=
"211--226",
year
=
"1999",
}