@article{CMH_1983__58_139934,
     author = {Sadayoshi Kojima},
     title = {Nilpotent completions and {Lie} rings associated to link groups.},
     journal = {Commentarii mathematici Helvetici},
     pages = {115--134},
     publisher = {mathdoc},
     volume = {58},
     year = {1983},
     zbl = {0528.57004},
     url = {http://geodesic.mathdoc.fr/item/CMH_1983__58_139934/}
}