@book{1948,
	author = {Devroye, Luc. and Györfi, László.},
	title = {A probabilistic theory of pattern recognition /},
	publisher = {Springer,},
	year = {c1996.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0815/95044633-d.html}
}