@article{1102637081,
author = {Kaiser, Uwe},
title = {Link homotopy in ${\bf R}^3$ and $S^3$.},
journal = {Pacific J. Math.},
volume = {151},
number = {2},
year = {1991},
pages = { 257-264},
language = {en},
url = {http://dml.mathdoc.fr/item/1102637081}
}
Kaiser, Uwe. Link homotopy in ${\bf R}^3$ and $S^3$.. Pacific J. Math., Tome 151 (1991) no. 2, pp. 257-264. http://gdmltest.u-ga.fr/item/1102637081/