%0 Journal Article %A Mieczyslaw Altman %T Series of iterates %J Colloquium Mathematicum %D 1977 %P 305-317 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-38-2-305-317/ %R 10.4064/cm-38-2-305-317 %G en %F 10_4064_cm_38_2_305_317