Key points are not available for this paper at this time.
Let denote the class of bi-univalent functions f, that is, both f (z) =z+a₂z²+ and its inverse f^-1 are analytic and univalent on the unit disk. We consider the classes of strongly bi-close-to-convex functions of order a
Sivasubramanian et al. (Thu,) studied this question.