Manifolds of nonpositive curvature /

Bibliographic Details

Main Author:	Ballmann, Werner
Other Authors:	Gromov, Mikhael, Schroeder, Viktor
Format:	Book
Language:	English
Published:	Boston : Birkhauser, 1985.
Series:	Progress in mathematics (Boston, Mass.) ; v. 61.
Subjects:	Geometry, Differential. Manifolds (Mathematics)