@article{etna_vol6_pp153-161,
  author  = {Jules Kouatchou},
  title   = {Asymptotic stability of a 9-point multigrid algorithm for convection-diffusion equations},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {6},
  year    = {1997},
  pages   = {153--161},
}