@book{42422,
	author = {Polking, John C. and Boggess, Albert.},
	title = {Differential equations /},
	publisher = {Pearson,},
	year = {[2018]},
	series = {Pearson modern classic},
	address = {New York, NY :},
	edition = {Second edition.},
	note = {Originally published in 2006, reissued as part of Pearson's modern classic series.}
}