@book{47525,
	author = {Proceedings of a Summer Research Institute on Differential Geometry, held at the University of California, Los angeles, July 8-28, 1990. and Greene, Robert., },
	title = {Differential geometry : Riemannian Geometry / },
	publisher = {American Mathematical Society, },
	year = {1993},
	series = {(Proceedings of Symposia in Pure Mathematics ;)},
	address = {Providence, Rhode Island : },
	edition = {1a ed.}
}