%0 Journal Article %A Bar-Natan, Dror %A Morrison, Scott %T The Karoubi envelope and Lee’s degeneration of Khovanov homology %J Algebraic and Geometric Topology %D 2006 %P 1459-1469 %V 6 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1459/ %R 10.2140/agt.2006.6.1459 %F 10_2140_agt_2006_6_1459