Data:L11a166/Multivariable Alexander

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