@article{CMH_1991__66_4_140237,
     author = {Xiao-Song Lin},
     title = {Null k-cobordant links in {S3.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {333--339},
     year = {1991},
     volume = {66},
     number = {4},
     zbl = {0734.57009},
     url = {http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140237/}
}