Formula_11987

\[\begin{gathered}\left|\partial_{\xi}^{\gamma} \partial_{x}^{\delta}\left[c(x, \xi)-\sum_{|\alpha| \leqslant N-1} \frac{(-i \hbar)^{|\alpha|}}{\alpha !} \partial_{\xi}^{\alpha} a(x, \xi) \partial_{x}^{\alpha} b(x, \xi)\right]\right| \leqslant \\\leqslant C_{\gamma \delta N} \hbar^{N}(1+|x|+|\xi|)^{m_{1}+m_{2}-N} .\end{gathered}\]