@book{33545,
	author = {Ferraz-Mello, Sylvio. and SpringerLink (Online service)},
	title = {Canonical Perturbation Theories},
	publisher = {Springer New York,},
	year = {2007.},
	series = {Astrophysics and Space Science Library,},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-38905-9}
}