%0 Journal Article %A Marek Bożejko %T Littlewood functions, Hankel multipliers and power bounded operators on a Hilbert space %J Colloquium Mathematicum %D 1987 %P 35-42 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-35-42/ %R 10.4064/cm-51-1-35-42 %G en %F 10_4064_cm_51_1_35_42