Data:L11n319/Multivariable Alexander

$-\frac{u v^2 w^4-u v^2 w^3-u v w^4+3 u v w^3-2 u v w^2+2 u v w-u v-u w^3+u w^2-u w+u-v^2 w^4+v^2 w^3-v^2 w^2+v^2 w+v w^4-2 v w^3+2 v w^2-3 v w+v+w-1}{\sqrt{u} v w^2}$