%0 Journal Article %A Zdun, Marek C. %A Zhang, Weinian %T A general class of iterative equations on the unit circle %J Czechoslovak Mathematical Journal %D 2007 %P 809-829 %V 57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2007__57_3_a2/ %G en %F CMJ_2007__57_3_a2