%0 Journal Article
%A Jacobsson, Magnus
%T An invariant of link cobordisms from Khovanov homology
%J Algebraic and Geometric Topology
%D 2004
%P 1211-1251
%V 4
%N 2
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.1211/
%R 10.2140/agt.2004.4.1211
%F 10_2140_agt_2004_4_1211