@book{5563,
	author = {Hardy, G. H. and Wright, Edward Maitland,},
	title = {An introduction to the theory of numbers /},
	publisher = {Clarendon Press,},
	year = {1960.},
	address = {Oxford :},
	edition = {4th ed., 2nd (corr.) impression.},
	note = {Includes index.}
}