@article {SC.4.Schroll.2000,
	title = {Local Existence and Stability for a Hyperbolic-Elliptic System Moeling Two-Phase Reservoir Flow},
	journal = {Electronical Journal of Partial Differential Equations},
	volume = {4},
	year = {2000},
	pages = {1-28,},
	author = {H. J. {Schroll} and Tveito, Aslak}
}
@article {SC.4.Schroll.1997,
	title = {An L^1-Error Bound for a Finite Difference Scheme Applied to a Stiff System of Conservation Laws},
	journal = {SIAM J. Numer. Anal.},
	volume = {34},
	number = {3},
	year = {1997},
	pages = {1152-1166,},
	author = {H. J. {Schroll} and Tveito, Aslak and Winther, Ragnar}
}
