\[I_{j}(x)=\frac{1}{2\pi i}\int_{p_{j}-i\infty}^{p_{j}+i\infty}x^{-z}\Gamma\left%
(1-z\right)\mathscr{M}\mskip-3.0muh_{j}\mskip 3.0mu\left(z\right)\,\mathrm{d}z,\]