TY  - JOUR
AU  - Berrick, A.
AU  - Cohen, F.
AU  - Wong, Y.
AU  - Wu, J.
TI  - Configurations, braids, and homotopy groups
JO  - Journal of the American Mathematical Society
PY  - 2006
SP  - 265
EP  - 326
VL  - 19
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-05-00507-2/
DO  - 10.1090/S0894-0347-05-00507-2
ID  - 10_1090_S0894_0347_05_00507_2
ER  -