%0 Journal Article %A Habiro, Kazuo %T Bottom tangles and universal invariants %J Algebraic and Geometric Topology %D 2006 %P 1113-1214 %V 6 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1113/ %R 10.2140/agt.2006.6.1113 %F 10_2140_agt_2006_6_1113