TY  - JOUR
AU  - Friedl, Stefan
AU  - Schreve, Kevin
AU  - Tillmann, Stephan
TI  - Thurston norm via Fox calculus
JO  - Geometry & topology
PY  - 2017
SP  - 3759
EP  - 3784
VL  - 21
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2017.21.3759/
DO  - 10.2140/gt.2017.21.3759
ID  - GT_2017_21_6_a10
ER  -