TY  - JOUR
AU  - Frederico Xavier
TI  - A non-immersion theorem for hyperbolic manifolds.
JO  - Commentarii mathematici Helvetici
PY  - 1985
SP  - 280
EP  - 283
VL  - 60
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1985__60_140013/
ID  - CMH_1985__60_140013
ER  -