TY  - JOUR
AU  - Ralph Stöhr
TI  - A generalized Hopf formula for higher homology groups.
JO  - Commentarii mathematici Helvetici
PY  - 1989
SP  - 187
EP  - 199
VL  - 64
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140148/
ID  - CMH_1989__64_1_140148
ER  -