Formula_11401

\[\begin{gathered}F_{s}\left(t, \boldsymbol{\eta}_{1}, \ldots, \boldsymbol{r}_{s}, \boldsymbol{p}_{1}, \ldots, \boldsymbol{p}_{s}\right)= \\=V^{s} \int w_{N} d \boldsymbol{r}_{s+1} \ldots d r_{N} d p_{s+1} \ldots d p_{N},\end{gathered}\]