@article{Sajbura:2009,
author
=
"K.Sajbura",
title
=
"On a linear functional equation with a mean-type mapping having no fixed points",
journal
=
"Discussiones Mathematicae Differential Inclusions Control and Optimization",
volume
=
"Vol. 25",
pages
=
"27--46",
year
=
"2005",
}