\[W_{\kappa,\mu}\left(x\right)=\sqrt{2\pi}\kappa^{\frac{1}{6}}\*\left(\frac{%
\kappa+\mu}{\kappa-\mu}\right)^{\frac{1}{2}\mu}\*\left(\frac{\kappa^{2}-\mu^{2%
}}{e^{2}}\right)^{\frac{1}{2}\kappa}\*\widehat{\Psi}(\kappa,\mu,x)\*\left(%
\operatorname{Ai}\left(\kappa^{\frac{2}{3}}\widehat{\zeta}\right)+%
\operatorname{envAi}\left(\kappa^{\frac{2}{3}}\widehat{\zeta}\right)O\left(%
\kappa^{-1}\right)\right),\]