@book{5358,
	author = {Smith, Donald R.},
	title = {Singular-perturbation theory :},
	publisher = {Cambridge University Press,},
	year = {c1985.},
	address = {Cambridge [Cambridgeshire] ;},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/description/cam022/84023298.html}
}