@article{Matkowski:2009,
author
=
"J.Matkowski",
title
=
"On a system of simultaneous iterative functional equations",
journal
=
"Annales Mathematicae Silesianae : Uniwersytet Śląski ; Katowice",
volume
=
"nr 9",
pages
=
"123--135",
year
=
"1996",
}