%0 Journal Article %A M. KUCZMA %T Some Remarks on a Functional Equation Characterising the Root %J Aequationes mathematicae %D 1969 %P 282-286 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1969__2_182337/ %F AM2_1969__2_182337