TY  - JOUR
AU  - Robert Young
TI  - Homological and homotopical higher-order filling functions
JO  - Groups, geometry, and dynamics
PY  - 2011
SP  - 683
EP  - 690
VL  - 5
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/144/
DO  - 10.4171/ggd/144
ID  - 10_4171_ggd_144
ER  -