@book{32892,
	author = {Petersen, Peter. and SpringerLink (Online service)},
	title = {Riemannian Geometry},
	publisher = {Springer New York,},
	year = {2006.},
	series = {Graduate Texts in Mathematics,},
	address = {New York, NY :},
	edition = {Second Edition.},
	url = {http://dx.doi.org/10.1007/978-0-387-29403-2}
}