TY  - BOOK
AU  - Jost,Jurgen
TI  - NONPOSITIVE CURVATURE
SN  - 3764357363
U1  - 516.36 
PY  - 1997///
CY  - 
PB  - Birkhauser Verlag, Basel
KW  - Geometry, Differential
KW  - Manifolds (Mathematics)
ER  -