TeX Quellcode:
\displaystyle B^\text{D} = \mathcal{FT}[V^\text{W}] = \mathcal{FT}[W \cdot V^\text{S}] = \mathcal{FT}[W] \star \star \mathcal{FT}[V^\text{S}] = \mathcal{FT}[W] \star \star (\mathcal{FT}[V] \star \star \mathcal{FT}[S]) \text{.}