Data:L10a128/Multivariable Alexander

[math]\displaystyle{ -\frac{u v^2 w^2-2 u v^2 w+u v^2-2 u v w^2+4 u v w-3 u v+u w^2-3 u w+2 u-2 v^2 w^2+3 v^2 w-v^2+3 v w^2-4 v w+2 v-w^2+2 w-1}{\sqrt{u} v w} }[/math]