@article {SC.4.Bruaset.1996.a,
	title = {On the Stability of Pressure and Velocity Computations for Heterogeneous Reservoirs},
	journal = {SIAM J. Appl. Math.},
	volume = {56},
	number = {4},
	year = {1996},
	pages = {991-1007,},
	author = {Are Magnus {Bruaset} and Nielsen, Bj{\o}rn Fredrik}
}
