Data:L11n230/Multivariable Alexander

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