\right) } \\ &\quad \quad \quad \qquad \times \ _{r}\psi _{s}\!\left( \!\!% \begin{array}{c} a_{0},\dots,a_{i},\ c,d \\[0.0cm] b_{0},\dots,b_{k},\ g,h% \end{array}% \!\!;q,\,t\!\right)   \notag \\ &\quad \quad +\frac{\left( c-