%0 Journal Article %A Duane W. DeTemple %T An Area Method for Systems of Univalent Functions Whose Ranges do not Overlap. %J Mathematische Zeitschrift %D 1972 %P 23-33 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1972__128_171785/ %F MZ_1972__128_171785