%0 Journal Article %A Urban Cegrell %T A Generalization of the Corona Theorem in the Unit Disc. %J Mathematische Zeitschrift %D 1990 %P 255-262 %V 203 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174125/ %F MZ_1990__203_3_174125