%0 Journal Article %A J.P. Levine %T Link concordance and algebraic closure of groups. %J Commentarii mathematici Helvetici %D 1989 %P 236-255 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140152/ %F CMH_1989__64_1_140152