%0 Journal Article
%A Bartels, Arthur C
%A Teichner, Peter
%T All two dimensional links are null homotopic
%J Geometry & topology
%D 1999
%P 235-252
%V 3
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.2140/gt.1999.3.235/
%R 10.2140/gt.1999.3.235
%F GT_1999_3_1_a9