@book{1912,
	author = {Riley, K. F. and Hobson, M. P.},
	title = {Mathematical methods for physics and engineering /},
	publisher = {Cambridge University Press,},
	year = {2006.},
	address = {New Delhi :},
	edition = {3/e},
	note = {Previous ed.: 2002.},
	url = {http://www.loc.gov/catdir/enhancements/fy0665/2006280779-d.html}
}