Equation 10.8.54762DC697088

\begin{equation} \mathrm i\partial \bar\partial \psi _\varepsilon =\frac{R}{\varepsilon +R}\mathrm i\partial \bar\partial \psi +\frac{\varepsilon }{R}\, \mathrm i\partial \psi _\varepsilon \wedge \bar\partial \psi _\varepsilon . \end{equation}