@book{3000,
	author = {Clapham, Christopher,},
	title = {The concise Oxford dictionary of mathematics /},
	publisher = {Oxford University Press,},
	year = {1996.},
	series = {Oxford paperback reference},
	address = {Oxford ;},
	edition = {2nd edn.},
	note = {Rev. ed. of: A concise dictionary of mathematics. 1990.}
}