@book{53356,
	author = {Shapira, Yair},
	title = {Matrix-based multigrid :},
	publisher = {Springer,},
	year = {c2008},
	series = {Numerical methods and algorithms ;},
	address = {New York, NY :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0904/2007934905-t.html}
}