KotsurI. M. and KotsurM. F. (1996) “On the radii of convexity and starlikeness for some special classes of analytic functions in a disk”, Ukrains’kyi Matematychnyi Zhurnal, 48(7), pp. 954-958. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5268 (Accessed: 24November2024).