Formula_5161

\[\boldsymbol{R}=\hat{\boldsymbol{\gamma}} \boldsymbol{H}^{\text {эФ }}-\gamma_{i j}^{e} \frac{\partial}{\partial x_{i}} \frac{\partial}{\partial x_{j}} \boldsymbol{H}^{э \Phi}, \quad i, j=1,2,3 .\]