Formula_12686

\[W_{\mathrm{Б}}\left\{N_{i}\right\}=N ! \prod_{i} \frac{G_{i}^{N_{i}}}{N_{i} !}, \quad \sum_{i} N_{i}=N, \quad \sum_{i} \varepsilon_{i} N_{i}=\mathscr{E},\]