TY  - JOUR
AU  - Enhui Shi
AU  - Suhua Wang
TI  - The ping-pong game, geometric entropy and expansiveness
 for group actions on Peano continua having free dendrites
JO  - Fundamenta Mathematicae
PY  - 2009
SP  - 21
EP  - 37
VL  - 203
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm203-1-2/
DO  - 10.4064/fm203-1-2
LA  - en
ID  - 10_4064_fm203_1_2
ER  -