@book{4675,
	author = {Niven, Ivan Morton, and Zuckerman, Herbert S.,},
	title = {An introduction to the theory of numbers /},
	publisher = {Wiley,},
	year = {c1980.},
	address = {New York :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/79024869-d.html}
}