Generalized least-squares polynomial preconditioners for symmetric indefinite linear equations

@article{Liang2002GeneralizedLP,
  title={Generalized least-squares polynomial preconditioners for symmetric indefinite linear equations},
  author={Yuan Liang and Jim Weston and Marek Szularz},
  journal={Parallel Computing},
  year={2002},
  volume={28},
  pages={323-341}
}