Data:L11a408/Multivariable Alexander

[math]\displaystyle{ -\frac{u v^2 w^2-3 u v^2 w+2 u v^2-3 u v w^2+8 u v w-5 u v+2 u w^2-5 u w+2 u-2 v^2 w^2+5 v^2 w-2 v^2+5 v w^2-8 v w+3 v-2 w^2+3 w-1}{\sqrt{u} v w} }[/math]