@book{70306,
	author = {Kemeny, John G. and Snell, J. Laurie},
	title = {Introduction to finite mathematics /},
	publisher = {Prentice-hall of India private ltd,},
	year = {c1968.},
	series = {Prentice-Hall mathematics series},
	address = {New Delhi :},
	edition = {2nd ed.}
}