@book{33340,
	author = {Tiwari, Vijay },
	title = {Union Public Service Commission (Pre) exam IAS mathematics:},
	publisher = {Arihant Publications},
	year = {2009},
	series = {Leading edge resources 2009-10},
	address = {Meerut},
	note = {16 years' solved papers (1994-2009)}
}