@book{4647,
	author = {Courant, Richard, and Robbins, Herbert,},
	title = {What is mathematics? :},
	publisher = {Oxford University Press,},
	year = {1978, c1969.},
	series = {Galaxy book ;},
	address = {Oxford ;},
	note = {"First issued as an Oxford University Press paperback, 1978" -- Verso of t.p.}
}