Data:L10a60/Multivariable Alexander

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