Abdullayev, F.G. and Özkartepe, N.P. (2012) “On the improvement of the rate of convergence of the generalized Bieberbach polynomials in domains with zero angles”, Ukrains’kyi Matematychnyi Zhurnal, 64(5), pp. 582–596. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2599 (Accessed: 5 December 2025).