∫0∞ⅇ-x⁢t⁢q⁡(t)⁢ln⁡t⁢ⅆ⁡t∼∑s=0∞Γ′⁡(s+λμ)⁢asx(s+λ)/μ-(ln⁡x)⁢∑s=0∞Γ⁡(s+λμ)⁢asx(s+λ)/μ,