Equation 14.5.68A4325B57E04

\begin{equation} \begin{split} \left|\frac2{S^2}\operatorname {Re}(h^{k\bar q}\tau _ kS_{\bar q})\right| & \leq \frac{C_ g(A+1)}S\sqrt B\, |\partial u|_ h\\ & \leq \frac{|\partial u|_ h^2}{s^3} +\frac{C_ g(A+1)^2s^3}{S^2}B. \end{split} \end{equation}