Equation 15.18.429EDD6E774993

\begin{equation} \Delta _ g\Psi ^ k_{ij} =-\nabla _ i(\operatorname {Ric}^{(2)})^ k{}_ j +g^{p\bar q}\mathcal T^ r_{pi}\operatorname {Rm}^ k{}_{r\bar q j}. \end{equation}