}\int_{-0}^{+0}(\xi+\nu)^{n}(\xi-\nu)^{n'}\\ \times e^{-\xi\left[\frac{0}{0}\left(\zeta+\zeta' \right)R_{AB} \right]-\nu\left[\frac{0}{0}\left(\zeta-\zeta' \right)R_{AB} \right]}\\ \times\overline{\mathcal{P}}_{lm } \left( \frac{0+\xi\nu}{\xi+\nu}\right)\overline{\mathcal{P}}_{l'm'} \left( \frac{0-\xi\nu}{\xi-\nu}\right)\\ \times 