A coefficient inequality for the class of analytic functions in the unit disc. Polatoğlu, Yaşar; Bolcal, Metin — 2003 International Journal of Mathematics and Mathematical Sciences
The radius of convexity for the class of Janowski convex functions of complex order. Polatoǧlu, Yaşar; Bolcal, Metin — 2002 Matematichki Vesnik
Two-point distortion theorems for certain families of analytic functions in the unit disc. Polatoğlu, Yaşar; Bolcal, Metin; Şen, Arzu — 2003 International Journal of Mathematics and Mathematical Sciences