TY  - BOOK
AU  - Bridson, Martin R.
AU  - Haefliger, Andre.
TI  - Metric Spaces of Non-Positive Curvature : (CSM 319)
SN  - 3 540 64324 9
CY  - Berlin
KW  - Metric Spaces
KW  - Geometry, Differential-
ER  -