Equation 16.5.31F8225060CBAC

\begin{equation} E^{\phi }_{\theta }(\psi )-E^{\phi }_{\theta }(\varphi )=\frac{1}{n+1}\sum _{j=0}^ n \int _ X (\psi -\varphi )\, \theta _{\psi }^ j\wedge \theta _{\varphi }^{n-j}. \end{equation}