PREM PRATAP VYAS; SHASHI KANT. Estimates on Initial Coefficients of Certain Subclasses of bi-univalent Functions Associated with the Class $\mathcal{P}_{m}(\beta)$. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 1 - B, p. 165–169, 2017. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/765. Acesso em: 19 may. 2024.