@misc{indiciae7f6edf95d797,
  title = {A Spectral Algorithm for Envelope Reduction of Sparse Matrices},
  author = {Barnard, Stephen T. and Pothen, Alex and Simon, Horst D.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19970009822},
  note = {Source identifier: 19970009822}
}