TY  - JOUR
AU  - F. Bachmann
AU  - L. Grünenfelder
TI  - Homological Methods and the Third Dimension Subgroup
JO  - Commentarii mathematici Helvetici
PY  - 1972
SP  - 526
EP  - 531
VL  - 47
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1972__47_139531/
ID  - CMH_1972__47_139531
ER  -