TY  - JOUR
AU  - Kaufmann, Ralph M
TI  - On several varieties of cacti and their relations
JO  - Algebraic and Geometric Topology
PY  - 2005
SP  - 237
EP  - 300
VL  - 5
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.237/
DO  - 10.2140/agt.2005.5.237
ID  - 10_2140_agt_2005_5_237
ER  -