@article{10_2140_agt_2009_9_1987,
     author = {Couture, Olivier},
     title = {Khovanov homology for signed divides},
     journal = {Algebraic and Geometric Topology},
     pages = {1987--2026},
     year = {2009},
     volume = {9},
     number = {4},
     doi = {10.2140/agt.2009.9.1987},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.1987/}
}