Formula_15109

\[F_{t_{1}}, \ldots, t_{n}\left(x_{1}, \ldots, x_{n}\right)=\mathrm{P}\left\{\omega: \xi_{t_{1}}(\omega) \leqslant x_{1}, \ldots, \xi_{t_{n}}(\omega) \leqslant x_{n}\right\} .\]