C. SELVARAJ; T. R. K. KUMAR. Bi-Univalent Coefficient Estimates for Certain Subclasses of Close-to-Convex Functions. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 4 - D, p. 69–74, 2015. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/516. Acesso em: 3 jul. 2024.