%0 Journal Article %A Andrzej Tyc %T A decomposition theorem for complete comodule algebras over complete Hopf algebras %J Colloquium Mathematicum %D 1997 %P 243-252 %V 74 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-74-2-243-252/ %R 10.4064/cm-74-2-243-252 %G en %F 10_4064_cm_74_2_243_252