@article{etna_vol15_pp122-131,
  author  = {Michael Bader and Christoph Zenger},
  title   = {A robust and parallel multigrid method for convection diffusion equations},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {15},
  year    = {2003},
  pages   = {122--131},
}