AOUF, M.K., SHAMANDY, A. and YASSEN, M.F. 1995. ON CERTAIN SUBCLASS OF UNIVALENT FUNCTIONS IN THE UNIT DISC I. Tamkang Journal of Mathematics. 26, 4 (Dec. 1995), 299–312. DOI:https://doi.org/10.5556/j.tkjm.26.1995.4409.