@book{86937,
	author = {Hansen, Christian.},
	title = {Discrete inverse problems :},
	publisher = {Society for Industrial and Applied Mathematics,},
	year = {c2010.},
	series = {Fundamentals of algorithms},
	address = {Philadelphia :},
	url = {http://www.loc.gov/catdir/enhancements/fy1006/2009047057-t.html}
}