@book{149190,
	author = {Ablowitz, Mark J. and Fokas, A. S.,},
	title = {Complex variables :},
	publisher = {Cambridge University Press,},
	year = {2003.},
	address = {Cambridge, UK ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/cam031/2002041247.html}
}