@article {SC.4.Tveito.1991,
	title = {Existence, Uniqueness and Continuous Dependence for a System of Hyberbolic Conservation Laws Modeling Polymer Flooding},
	journal = {Siam J. of Math. Anal.},
	volume = {22},
	year = {1991},
	pages = {905-933,},
	author = {Tveito, Aslak and Winther, Ragnar}
}
