@article{4776,
  author       = {Petrova, Svetozara},
  issn         = {1436-5057},
  journal      = {Computing},
  number       = {1},
  pages        = {51--63},
  publisher    = {Springer Science and Business Media LLC},
  title        = {{An efficient implementation of certain iterative refinement preconditioners}},
  doi          = {10.1007/BF02243396},
  volume       = {52},
  year         = {1994},
}