∫0xⅇ±t⁢t-ν⁢Iν⁡(t)⁢ⅆ⁡t=-ⅇ±x⁢x-ν+12⁢ν-1⁢(Iν⁡(x)∓Iν-1⁡(x))∓2-ν+1(2⁢ν-1)⁢Γ⁡(ν),