@article{10_1090_S0894_0347_01_00374_5,
     author = {Khovanov, Mikhail and Seidel, Paul},
     title = {Quivers, {Floer} cohomology, and braid group actions},
     journal = {Journal of the American Mathematical Society},
     pages = {203--271},
     year = {2002},
     volume = {15},
     number = {1},
     doi = {10.1090/S0894-0347-01-00374-5},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-01-00374-5/}
}