@book{4987,
	author = {Cohen, Henri.},
	title = {A course in Computational Algebraic Number Theory /},
	publisher = {Springer,},
	year = {1996.},
	address = {Berlin ;},
	edition = {3rd, corr. print.},
	url = {http://www.loc.gov/catdir/enhancements/fy0812/96044745-d.html}
}