%0 Journal Article %A Charatonik, Janusz J. %T Homogeneous means and some functional equations %J Mathematica slovaca %D 1998 %P 391-398 %V 48 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1998__48_4_a6/ %G en %F MASLO_1998__48_4_a6