On a certain subclass of strongly starlike functions

R. Kargar, J. Sokół, H. Mahzoon

Let ${\mathcal{S}}^{\ast }(\hat{I}{\pm }_1,\hat{I}{\pm }_2)$, where $\hat{I}{\pm }_1,\hat{I}{\pm }_2\in (0,1]$, represent the class of functions $f$ that are analytic in the open unit disk $\mathbb{D}$, normalized by $f(0) = f'(0…