[Lecture Notes in Mathematics] Topology Volume 1060 || On some homotopy invariants of pseudoriemannian metrics
Faddeev, Ludwig D., Mal’cev, Arkadii A.Volume:
10.1007/BF
Year:
1984
Language:
english
DOI:
10.1007/BFb0099949
File:
PDF, 428 KB
english, 1984