\[2\pi h\left(\epsilon,\ell;r\right)={\sum_{k=0}^{2\ell}\frac{(2\ell-k)!\gamma_{%
k}}{k!}(2r)^{k-\ell}-\sum_{k=0}^{\infty}\delta_{k}r^{k+\ell+1}}-A(\epsilon,%
\ell)\left(2\ln|2r/\kappa|+\Re\psi\left(\ell+1+\kappa\right)+\Re\psi\left(-%
\ell+\kappa\right)\right){f\left(\epsilon,\ell;r\right),}\]