@article {14137,
	title = {Performance and analysis of saddle point preconditioners for the discrete steady-state Navier-Stokes equations},
	journal = {Numerische Mathematik},
	volume = {90},
	year = {2002},
	month = {2002///},
	pages = {665 - 688},
	author = {Elman, Howard and Silvester, D. J and Wathen, A. J}
}
