%0 Journal Article %A Carl C. Cowen %T Analytic solutions of Böttcher's functional equation in the unit disk. %J Aequationes mathematicae %D 1982 %P 187-194 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1982__24_136935/ %F AM2_1982__24_136935