\[M_{\kappa,\mu}\left(x\right)=\left(8\mu\right)^{\frac{1}{4}}\*\left(\frac{2\mu%
}{e}\right)^{2\mu}\*\left(\frac{e}{\kappa+\mu}\right)^{\frac{1}{2}(\kappa+\mu)%
}\*\Phi(\kappa,\mu,x)\*\left(U\left(\mu-\kappa,-\zeta\sqrt{2\mu}\right)+%
\mathrm{env}\mskip-1.0muU\left(\mu-\kappa,-\zeta\sqrt{2\mu}\right)O\left(\mu^{%
-\frac{2}{3}}\right)\right),\]