@book{202220,
	author = {Eicholz, Robert E; Odaffer, Phares G; Charles, Randall I; Young, Sharon L; Barnett, Carne S.},
	title = {Addison wesley mathematics.},
	publisher = {Addison wesley Publishing Company},
	year = {1991},
	address = {New York},
	edition = {1}
}