Equation 16.17.104F98A99005B0

\begin{equation} \xi =s+O_ N,\qquad \partial _{z_ j}\xi =O_ N,\qquad \partial _{\bar z_ k}\xi =-\beta ^ k+O_ N,\qquad \partial _{z_ j}\partial _{\bar z_ k}\xi =-\gamma ^{jk}+O_ N; \end{equation}