Estimation on initial coefficient bounds of generalized subclasses of bi-univalent functions
In the present investigation, we introduce the two subclasses $ S^{\alpha} _
{\Sigma}(\gamma,\rho,\lambda,\mu,\xi,\delta) $ and $ S_ {\Sigma}(\gamma,\rho,\lambda,\mu …
{\Sigma}(\gamma,\rho,\lambda,\mu,\xi,\delta) $ and $ S_ {\Sigma}(\gamma,\rho,\lambda,\mu …