Kamali M, Riskulova A. On the upper bounds of Hankel determinants for some subclasses of univalent functions associated with sine functions. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2023 Dec. 12 [cited 2025 Jan. 22];14(1):41-9. Available from: http://ijocta.org/index.php/files/article/view/1392