@book{35203,
	author = {Stein, William. and SpringerLink (Online service)},
	title = {Elementary Number Theory: Primes, Congruences, and Secrets},
	publisher = {Springer New York,},
	year = {2009.},
	series = {Undergraduate Texts in Mathematics,},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/b13279}
}