Data:L11n201/Multivariable Alexander

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