\[e_{k,m}=\sum_{j=1}^{q+1}{\left(1-\nu-\kappa b_{j}+m\right)_{\kappa+k-m}}\left(%
{\textstyle\ifrac{\prod\limits_{\ell=1}^{p}(a_{\ell}-b_{j})}{\prod\limits_{%
\begin{subarray}{c}\ell=1\\
\ell\neq j\end{subarray}}^{q+1}(b_{\ell}-b_{j})}}\right),\]