Data:L10a59/Multivariable Alexander

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