Data:L10n110/Multivariable Alexander

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