@book{94827,
	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.},
	note = {Includes index.}
}