Equation 5.27.3097724F2A7D19

\begin{equation} \begin{split} \int f(\mathrm{dd}^{\mathrm{c}}h)^ n =\varepsilon \int _ U\biggl [\int _{-\eta }^{\eta }w_\eta (t) \int _0^{2\pi }f(r_ t(z')\mathrm e^{\mathrm i\vartheta },z') \frac{\mathrm d\vartheta }{2\pi }\, \mathrm dt\biggr ] (\mathrm{dd}^{\mathrm{c}}v)^{n-1}. \end{split} \end{equation}