Equation 14.13.6051408386360

\begin{gather} \sum _ i f_ i\lambda _ i=n,\qquad \frac{\mathcal F}{n(n-1)}\leq f_ k\leq \frac{\mathcal F}{n-1} \quad (k>1),\qquad t_ i\leq (n-1)f_1\quad (i>1), \\ f_ n\geq \mathcal F/n. \notag \end{gather}