%0 Journal Article %A St. Ruscheweyh %A T. Sheil-Small %T Hadamard Products of Schlicht Functions and the Pólya-Schoenberg Conjecture %J Commentarii mathematici Helvetici %D 1973 %P 119-136 %V 48 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1973__48_139542/ %F CMH_1973__48_139542