%0 Journal Article %A Austin, David %A Rolfsen, Dale %T Homotopy of Knots and the Alexander Polynomial %J Canadian mathematical bulletin %D 1999 %P 257-262 %V 42 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-031-6/ %R 10.4153/CMB-1999-031-6 %F 10_4153_CMB_1999_031_6