@book{32000,
	author = {Vasilevski, Pana�iot. and ebrary, Inc.},
	title = {Multilevel block factorization preconditioners},
	publisher = {Springer,},
	year = {2008.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10253758}
}