Equation 24.4.30C29E513B11B7

\begin{equation} \lambda _\mu (\theta -t\eta ) =\lambda _\mu (\theta ) -\int _0^ t \frac{\int _ X\eta \wedge \gamma _ s^{n-1}}{D_\mu (\gamma _ s)}\, \mathrm{d}s. \end{equation}