Equation 5.6.356D4111AE674

\begin{equation} \int _{U\times W}h\, \mathrm d(\sigma \otimes \lambda _ W)=\int _ U\Bigl (\int _ Wh(z,w)\, \mathrm dV_{2k}(w)\Bigr )\mathrm d\sigma (z) \end{equation}