Formula_22013

\[p\left(\Delta_{1} \times \ldots \times \Delta_{N}\right)=\int_{\Delta_{1} \times \ldots \times \Delta_{N}} d \rho\left(a_{1}, \ldots, a_{N}\right)\left|\psi\left(a_{1}, \ldots, a_{N}\right)\right|^{2}\]