TURKISH JOURNAL OF MATHEMATICS, cilt.43, sa.3, ss.1688-1698, 2019 (SCI-Expanded, Scopus, TRDizin)
In a recent work, Orhan et al. (Afrika Matematika, 2016) defined a subclass of analytic bi-univalent one-fold symmetric functions. The main purpose of this paper is to generalize and improve the results of Orhan et al.