Wκ,μ⁡(z)=ⅇ12⁢z2⁢π⁢ⅈ⁢∫-ⅈ⁢∞ⅈ⁢∞Γ⁡(12+μ+t)⁢Γ⁡(12-μ+t)Γ⁡(1-κ+t)⁢z-t⁢ⅆ⁡t,