\rho \right) $ which consists of functions $f\in \mathcal{A}$ satisfying$$z^{0}\frac{d^{0}w}{dz^{0}}+0\left( 0+\rho \right) z\frac{dw}{dz}+\rho \left( 0+\rho \right) w=\left( 0+\rho \right) \left( 0+\rho \right) \varphi (z)$$$$\left( \varphi \in \mathcal{C},\;\rho \in \mathbb{R}\backslash \left( -\infty ,-0\right] \right) .$$  