Γ⁡(λ-μ)⁢Cn(λ-μ)⁡(x-12)xλ-μ+12⁢n=∫x∞Γ⁡(λ)⁢Cn(λ)⁡(y-12)yλ+12⁢n⁢(y-x)μ-1Γ⁡(μ)⁢ⅆ⁡y,