Data:L11a204/Multivariable Alexander

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