Tohoku Mathematical Journal · 1971 · 28 citations · 17 references
Natural SciencesMathematicsGeometryTopologyDifferential GeometryFiber BundlesMetric GeometryRiemannian GeometrySpacetime GeometrySymplectic GeometryConnections On ManifoldsContact GeometryContact TopologyHopf FibrationsKilling Vectors
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William M. Boothby, H. C. Wang · Annals of Mathematics · 1958 · 435 citations
The topology of contact Riemannian manifolds
Shûkichi Tanno · Illinois Journal of Mathematics · 1968 · 231 citations · Full text