\[M_{\kappa,\mu}\left(x\right)=\Gamma\left(2\mu+1\right)\*\left(\frac{e^{2}}{%
\kappa^{2}-\mu^{2}}\right)^{\frac{1}{2}\mu}\*\left(\frac{\kappa-\mu}{\kappa+%
\mu}\right)^{\frac{1}{2}\kappa}\*\Psi(\kappa,\mu,x)\*\left(J_{2\mu}\left(\sqrt%
{\zeta\kappa}\right)+\operatorname{env}\mskip-2.0muJ_{2\mu}\left(\sqrt{\zeta%
\kappa}\right)O\left(\kappa^{-1}\right)\right),\]