Data:L11n190/Multivariable Alexander

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