Coefficient Problems for Bi-Univalent Functions via $q$–Rabotnov Kernels and $q$–Fibonacci Subordination. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 4, p. 7125, 2025. DOI: 10.29020/nybg.ejpam.v18i4.7125. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/7125. Acesso em: 5 dec. 2025.