Data:L10n109/Multivariable Alexander

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