@book{42332,
	author = {Steinbach, Olaf,},
	title = {Numerical approximation methods for elliptic boundary value problems :},
	publisher = {Springer,},
	year = {c2008.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/fy0804/2007936614.html}
}