@InCollection{Matkowski:1985,
author
=
"J.Matkowski",
title
=
"Cauchy functional equation on a restricted domain and commuting functions",
pages
=
"101--106",
year
=
"1985",
booktitle
=
"Iteration theory and its functional equations ",
publisher
=
"Springer",
address
=
"Berlin",
series
=
"Lecture Notes in Mathematics, Vol. 1163",
}