@article{etna_vol1_pp72-88,
  author  = {Volker Mehrmann and Werner Rath},
  title   = {Numerical methods for the computation of analytic singular value decompositions},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {1},
  year    = {1993},
  pages   = {72--88},
}