Data:L10a76/Multivariable Alexander

[math]\displaystyle{ \frac{u^2 v^4-4 u^2 v^3+5 u^2 v^2-2 u^2 v-u v^4+7 u v^3-11 u v^2+7 u v-u-2 v^3+5 v^2-4 v+1}{u v^2} }[/math]