Data:L11a419/Multivariable Alexander

[math]\displaystyle{ \frac{2 u v^2 w^2-3 u v^2 w+u v^2-4 u v w^2+6 u v w-3 u v+2 u w^2-4 u w+2 u-2 v^2 w^2+4 v^2 w-2 v^2+3 v w^2-6 v w+4 v-w^2+3 w-2}{\sqrt{u} v w} }[/math]