Wκ,μ⁡(z)=zμ+12⁢2-2⁢μΓ⁡(12+μ-κ)⁢∫1∞ⅇ-12⁢z⁢t⁢(t-1)μ-12-κ⁢(t+1)μ-12+κ⁢ⅆ⁡t,