Geodesic
On Convex Univalent Functions
Canadian journal of mathematics, Tome 22 (1970) no. 1, pp. 123-127

Voir la notice de l'article provenant de la source Cambridge University Press

In what follows, we suppose that ƒ(z) = Σ0 ∞anzn is regular for |z| < 1. Let and Then (see, for example, [6, pp. 235-236]), for 0 ≦ r < ρ < 1, we have: The following results are well known. 
Basgoze, T.; Frank, J. L.; Keogh, F. R. On Convex Univalent Functions. Canadian journal of mathematics, Tome 22 (1970) no. 1, pp. 123-127. doi: 10.4153/CJM-1970-015-2
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