%0 Journal Article
%A Jonathan A. Hillman
%T Abelian normal subgroups of two-knot groups.
%J Commentarii mathematici Helvetici
%D 1986
%P 122-148
%V 61
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1986__61_140044/
%F CMH_1986__61_140044