Journals / Turkish Journal of Mathematics / 2020 / Cilt: 44 - Sayı: 1
General coefficient estimates for bi-univalent functions: a new approach
- Pages
- 240–251
- DOI
- —
Abstract
We prove for univalent functions f(z)=z+∑∞k=nakzk;(n≥2) in the unit disk U={z:|z|