Data:L11n431/Multivariable Alexander

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