Rath, Biswajit, K. Sanjay Kumar, D. Vamshee Krishna, and G. K. Surya Viswanadh. “The Sharp Bound of the Third Hankel Determinant for Certain Subfamilies of Analytic Functions”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 7 (August 4, 2024): 1024 - 1040. Accessed January 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7524.