\[E(x)=\frac{1}{2\pi i}\int_{d-i\infty}^{d+i\infty}x^{-z}\mathscr{M}\mskip-3.0%
muf\mskip 3.0mu\left(1-z\right)\mathscr{M}\mskip-3.0muh\mskip 3.0mu\left(z%
\right)\,\mathrm{d}z.\]