Data:L11a430/Multivariable Alexander

[math]\displaystyle{ v^3 u^3-2 v^2 u^3+v u^3-v^3 w u^3+2 v^2 w u^3-v w u^3-2 v^3 u^2+6 v^2 u^2-5 v u^2+2 v^3 w u^2-6 v^2 w u^2+5 v w u^2-w u^2+u^2+v^3 u-5 v^2 u+6 v u-v^3 w u+5 v^2 w u-6 v w u+2 w u-2 u+v^2-2 v-v^2 w+2 v w-w+1 }[/math]