A class of univalent functions

Abstract

In this paper we consider starlikeness of the class of functions f(z)=z+ a_{2}z^{2}+\cdot\cdot . which are analytic in the unit disc and satisfy the condition |f'(z)( \frac{z}{f(z)})^{1+\mu}-1|<\lambda , 0<\mu<1,0<\lambda<1 .