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Dyfyniad Arddull ChicagoBlair, David E. Contact Manifolds in Riemannian Geometry. Berlin ; New York: Springer-Verlag, 1976.
Dyfyniad MLABlair, David E. Contact Manifolds in Riemannian Geometry. Springer-Verlag, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.