@article{etna_vol28_pp40-64,
  author  = {Melina A. Freitag and Alastair Spence},
  title   = {Convergence theory for inexact inverse iteration applied to the generalised nonsymmetric eigenproblem},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {28},
  year    = {2007-2008},
  pages   = {40--64},
}