Daniel Breaz Nicoleta Breaz H. M. Srivastava An extension of the univalent condition for a family of integral operators. 41-44 2009 22 Appl. Math. Lett. 1 http://dx.doi.org/10.1016/j.aml.2007.11.008 db/journals/appml/appml22.html#BreazBS09