@article{etna_vol7_pp163-181,
  author  = {Andreas Stathopoulos and Yousef Saad},
  title   = {Restarting techniques for the (Jacobi-)Davidson symmetric eigenvalue methods},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {7},
  year    = {1998},
  pages   = {163--181},
}