International Journal of Mathematics and Mathematical Sciences (Jan 1999)
On a class of univalent functions
Abstract
We consider the class of univalent functions defined by the conditions f(z)/z≠0 and |(z/f(z))′′|≤α,|z|<1, where f(z)=z+⋯ is analytic in |z|<1 and 0<α≤2.
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