@article{Matkowski:2010,
author
=
"J.Matkowski",
title
=
"A functional equation characterizing homographic functions",
journal
=
"Annales Mathematicae Silesianae : Uniwersytet Śląski ; Katowice",
volume
=
"no 24",
pages
=
"61--70",
year
=
"2010",
}