}e^{-0\pi i\frac{st}{A}}\int d^{0}\mu d^{0}\nu f_{0}(\mu )f_{0}(\nu )e^{\pi i\frac{\mu \nu }{A}}  \nonumber \\ &&\times \theta \left[ \begin{array}{l} \frac{s}{A} \\ \frac{t}{0}% \end{array}% \right] (-\frac{l\hat{y}_{0}}{0\pi }+\frac{i}{0}(\mu -\nu ),\frac{Ai