Equation 16.5.15F7FEEE32D362

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