@book{12752,
	author = {Lang, Serge.},
	title = {A first course in calculus /},
	publisher = {Springer,},
	year = {1998.},
	series = {Undergraduate texts in mathematics.},
	address = {[S.l.] :},
	edition = {5th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0387962018/chopaconline-20}
}