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HERB SILVERMAN, A SURVEY WITH OPEN PROBLEMS ON UNIVALENT FUNCTIONS WHOSE COEFFICIENTS ARE NEGATIVE, The Rocky Mountain Journal of Mathematics, Vol. 21, No. 3 (SUMMER 1991), pp. 1099-1125 ...
Coefficient, distortion, covering, and coefficient inequalities are determined for univalent functions with negative coefficients that are starlike of order α and convex of order α. Extreme points for ...