%0 Journal Article %A Stephan Ruscheweyh %T Some Convexity and Convolution Theorems for Analytic Functions. %J Mathematische Annalen %D 1978 %P 217-228 %V 238 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1978__238_163198/ %F MAN_1978__238_163198