@article{Kahlig:2015,
author
=
"P.Kahlig and J.Matkowski",
title
=
"Second order iterative functional equations related to a competition equation",
journal
=
"Aequationes Mathematicae",
volume
=
"Vol. 89",
number
=
"no. 1",
pages
=
"107--117",
year
=
"2015",
}