@book{245694,
	author = {Bowen, Earl K.},
	title = {Mathematics :},
	publisher = {R. D. Irwin,},
	year = {1976.},
	series = {Irwin series in quantitative analysis for business;},
	address = {Homewood, Ill. :},
	edition = {4th ed.},
	note = {Includes index.}
}