TY  - JOUR
AU  - Michael N. Dyer
TI  - Groups with no infinite perfect subgroups and aspherical 2-complexes.
JO  - Commentarii mathematici Helvetici
PY  - 1993
SP  - 333
EP  - 340
VL  - 68
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140306/
ID  - CMH_1993__68_2_140306
ER  -