@book{84982,
	author = {Bellen, A. and Zennaro, Marino},
	title = {Numerical methods for delay differential equations /},
	publisher = {Clarendon Press,},
	year = {2003.},
	series = {Numerical mathematics and scientific computation},
	address = {Oxford :},
	url = {http://www.loc.gov/catdir/enhancements/fy0615/2003271859-d.html}
}