@article{Benedykt:2009,
author
=
"Z.Benedykt and J.Matkowski",
title
=
"Remarks on some fixed point theorem",
journal
=
"Demonstratio Mathematica",
volume
=
"Vol. 14",
number
=
"no 1",
pages
=
"227--232",
year
=
"1981",
}