TY  - JOUR
AU  - Miklós Abért
AU  - Andrei Jaikin-Zapirain
AU  - Nikolay Nikolov
TI  - The rank gradient from a combinatorial viewpoint
JO  - Groups, geometry, and dynamics
PY  - 2011
SP  - 213
EP  - 230
VL  - 5
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/124/
DO  - 10.4171/ggd/124
ID  - 10_4171_ggd_124
ER  -