Equation 15.19.15DE65B074D310

\begin{equation} \det \bigl ((r^2)_{j\bar k}\bigr )=hs=r^2, \qquad \frac{(\mathrm{dd}^{\mathrm{c}}r^2)^3}{3!} =\frac{r^2}{\pi ^3}\, \mathrm{d}\lambda _6, \end{equation}