Fuente TeX:

=\int_{1}^{2} \int_{0}^{2\pi} \rho (\rho \cos{(\theta)}, \rho \sin{(\theta)}, (\rho-2)(\rho-1)e^{\rho^{2}-\rho^{2}})\cdot \left(\frac{\sqrt{2}}{2}\cos{(\theta)},\frac{\sqrt{2}}{2}\sin{(\theta)},-\frac{\sqrt{2}}{2}\right) dS