1. Aouf, M.K.: A generalization of functions with real part bounded in the mean on the unit disc. Math. Japon. 33(2), 175–182 (1988)
2. Arif, M., Ul-Haq, W., Ismail, M.: Mapping properties of generalized Robertson functions under certain integral operators. Appl. Math. 3, 52–55 (2012)
3. Breaz, D., Breaz, N.: Two integral operators. Stud. Univ. Babes-Bolyai Math. 47(3), 13–19 (2002)
4. Breaz, D., Owa, S., Breaz, N.: A new integral univalent operator. Acta Univ. Apulensis 16, 11–16 (2008)
5. Breaz, D., Breaz, N., Srivastava, H.M.: An extension of the univalent condition for a family of integral operators. Appl. Math. Lett. 22, 41–44 (2009)