@book{13688,
	author = {Cole, J.D. and Kevorkian, J.K.},
	title = {Perturbation methods in applied mathematics /},
	publisher = {Springer-Verlag Berlin and Heidelberg GmbH & Co. K,},
	year = {1981.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/3540905073/chopaconline-20}
}