TY  - JOUR
AU  - Blair, Ryan
AU  - Tomova, Maggy
TI  - Width is not additive
JO  - Geometry & topology
PY  - 2013
SP  - 93
EP  - 156
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2013.17.93/
DO  - 10.2140/gt.2013.17.93
ID  - GT_2013_17_1_a3
ER  -