@article{GT_2013_17_5_a11,
     author = {Hedden, Matthew and Ni, Yi},
     title = {Khovanov module and the detection of unlinks},
     journal = {Geometry & topology},
     pages = {3027--3076},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2013},
     doi = {10.2140/gt.2013.17.3027},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2013.17.3027/}
}