1. "[1] Duren, P.L. Univalent Functions, Springer-Verlag, New York, 1983.
2. [2] Jovanović, I., Obradović, M., A note on certain classes of univalent functions, Filomat, 9(1995), no. 1, 69-72.
3. [3] Miller, S.S., Mocanu, P.T., Reade, M.O., All α-convex functions are univalent and star-like, Proc. Amer. Math. Soc., 37(1973), 553-554.
4. [4] Obradović, M., Ponnusamy, S., New criteria and distortion theorems for univalent functions, Complex Variables, Theory and Application: An International Journal, 44(2001), 173-191.
5. [5] Obradović, M., Ponnusamy, S., On the class U, Proc. 21st Annual Conference of the Jammu Math. Soc. and a National Seminar on Analysis and its Application, (2011), 11-26.