TeX Quellcode:

\displaystyle \tilde{B}(\xi,\eta)=\int_{-\infty}^{\infty}\text{e}^{2\pi\text{i}u_0(\xi-\xi_0)}\text{d} u_0\delta(\eta) \star \int_{-\infty}^{\infty}d(\tau)\text{e}^{2\pi\text{i}u_0 \xi}\text{d} u_0\text{,}