TY  - JOUR
AU  - Bux, Kai-Uwe
AU  - Wortman, Kevin
TI  - A geometric proof that SL2(ℤ[t,t−1]) is not finitely presented
JO  - Algebraic and Geometric Topology
PY  - 2006
SP  - 839
EP  - 852
VL  - 6
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.839/
DO  - 10.2140/agt.2006.6.839
ID  - 10_2140_agt_2006_6_839
ER  -