@article{11090,
  author = {Aslak Tveito and Ragnar Winther},
  title = {Existence, Uniqueness and Continuous Dependence for a System of Hyberbolic Conservation Laws Modeling Polymer Flooding},
  year = {1991},
  journal = {Siam J. of Math. Anal.},
  volume = {22},
  pages = {905-933,},
}