@ARTICLE{2000-SIMAX-SVM,
  author = {G.L.G. Sleijpen and H.A. van der Vorst and J. Modersitzki},
  title = {Differences in the Effects of Rounding Errors in {K}rylov Solvers
    for Symmetric Indefinite Linear Systems},
  journal = {SIMAX},
  year = {2000},
  volume = {22},
  pages = {726--751},
  number = {3},
}