TY  - JOUR
AU  - Grove, Karsten
AU  - Karcher, Hermann
TI  - On pinched manifolds with fundamental group $\mathbf {Z}_2$
JO  - Compositio Mathematica
PY  - 1973
SP  - 49
EP  - 61
VL  - 27
IS  - 1
PB  - Noordhoff International Publishing
UR  - http://www.numdam.org/item/CM_1973__27_1_49_0/
LA  - en
ID  - CM_1973__27_1_49_0
ER  -