@book{7948,
	author = {Bowen, Earl K.},
	title = {Mathematics, with applications in management and economics /},
	publisher = {R. D. Irwin ;},
	year = {1980.},
	series = {The Irwin series in quantitative analysis for business},
	address = {Homewood, Ill. :},
	edition = {5th ed.}
}