TY  - JOUR
AU  - Williams, Kristopher
TI  - Line arrangements and direct products of free groups
JO  - Algebraic and Geometric Topology
PY  - 2011
SP  - 587
EP  - 604
VL  - 11
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.587/
DO  - 10.2140/agt.2011.11.587
ID  - 10_2140_agt_2011_11_587
ER  -