GOVINDA RAJU R; RUBY SALESTINA M; N B GATTI. Coefficient Problems on bi-univalent functions with (p,q) -Gegenbauer polynomials. Communications in Mathematics and Applications, [S. l.], v. 15, n. 3, 2025. Disponível em: https://rgnpublications.com/journals/index.php/cma/article/view/2742. Acesso em: 22 feb. 2025.