@article{11088,
  author = {Aslak Tveito and Ragnar Winther},
  title = {Convergence of a Non-Conservative Finite Difference Scheme for a System of Hyperbolic Conservation Laws},
  year = {1990},
  journal = {J. of Diff. and Integ. Eq.},
  volume = {3},
  pages = {979-1000,},
}