Rayaprolu Bharavi Sharma and Kalikota Rajya Laxmi. (2018). Second Hankel Determinants and Fekete-Szegö Inequalities for Some Sub-Classes of Bi-Univalent Functions with Respect to Symmetric and Conjugate Points Related to a Shell Shaped Region.
Analysis in Theory and Applications. 34 (4).
358-373.
doi:10.4208/ata.OA-2017-0020