@article{etna_vol43_pp188-212,
  author  = {G\'erard Meurant},
  title   = {On the location of the Ritz values in the Arnoldi process},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {43},
  year    = {2014-2015},
  pages   = {188--212},
}