ABDULLAH , Khalid I.; MOHAMMED, Nafya H. Estimates of Coefficients for Bi-Univalent Functions in the Subclass H_∑ (n,γ,φ). Tikrit Journal of Pure Science, [S. l.], v. 28, n. 4, p. 80–87, 2023. DOI: 10.25130/tjps.v28i4.1531. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/1531. Acesso em: 21 may. 2024.