@book{78806,
	author = {Olʹshanskiĭ, Maksim Aleksandrovich and Tyrtyshnikov, Evgeniĭ Evgenʹevich},
	title = {Iterative methods for linear systems :},
	publisher = {SIAM, Society for Industrial and Applied Mathematics,},
	year = {2014},
	series = {Applied mathematics},
	address = {Philadelphia :}
}