Author | Ballmann, Werner. author |
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Title | Manifolds of Nonpositive Curvature [electronic resource] / by Werner Ballmann, Mikhael Gromov, Viktor Schroeder |
Imprint | Boston, MA : Birkhรคuser Boston : Imprint: Birkhรคuser, 1985 |
Connect to | http://dx.doi.org/10.1007/978-1-4684-9159-3 |
Descript | V, 266 p. online resource |