@article{Kahlig:2009,
author
=
"P.Kahlig and J.Matkowski",
title
=
"A solution of a problem of Z. Daróczy on mixing-arithmetic means",
journal
=
"Acta Scientiarum Mathematicarum",
volume
=
"Vol. 69",
pages
=
"49--56",
year
=
"2003",
}