TY  - GEN
AU  - Ballmann,Werner
AU  - Gromov,Mikhael
AU  - Schroeder,Viktor
TI  - Manifolds of nonpositive curvature
T2  - Progress in mathematics
SN  - 081763181X
U1  - 516.3/6 
PY  - 1985///
CY  - Boston
PB  - Birkhèauser
KW  - Geometry, Differential
KW  - Manifolds (Mathematics)
N1  - Based on four lectures delivered by M. Gromov in Feb. 1981 at Collège de France, Paris, with appendices by W. Ballmann and V. Schroeder; Contine bibliogr. si index
ER  -