TY  - JOUR
AU  - Cashen, Christopher H
AU  - Macura, Nataša
TI  - Line patterns in free groups
JO  - Geometry & topology
PY  - 2011
SP  - 1419
EP  - 1475
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2011.15.1419/
DO  - 10.2140/gt.2011.15.1419
ID  - GT_2011_15_3_a3
ER  -