%0 Journal Article %A I. Kátai %T On additive functions having a non-decreasing normal order %J Colloquium Mathematicum %D 1971 %P 153-157 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-37-1-153-157/ %R 10.4064/cm-37-1-153-157 %G en %F 10_4064_cm_37_1_153_157