TY  - JOUR
AU  - Viktor Schroeder
TI  - A splitting theorem for spaces of nonpositive curvature.
JO  - Inventiones mathematicae
PY  - 1985
SP  - 323
EP  - 328
VL  - 79
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1985__79_143199/
ID  - IM_1985__79_143199
ER  -