@book{32584,
	author = {Neittaanmaki, Pekka. and Tiba, Dan. and SpringerLink (Online service)},
	title = {Optimization of Elliptic Systems},
	publisher = {Springer New York,},
	year = {2006.},
	series = {Springer Monographs in Mathematics,},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/b138797}
}