Ln(α)⁡(x2)=2⁢(-1)nπ12⁢Γ⁡(α+12)⁢n!⁢∫0∞∫0π(x2-r2+2⁢ⅈ⁢x⁢r⁢cos⁡ϕ)n⁢ⅇ-r2⁢r2⁢α+1⁢(sin⁡ϕ)2⁢α⁢ⅆ⁡ϕ⁢ⅆ⁡r,