Data:L11n170/Multivariable Alexander

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