@misc{indiciae7174d9c45455,
  title = {Round-off errors in difference solutions of boundary-value problems for elliptic equations and systems},
  author = {Chudov, L. A. and Kudryautsev, V. P.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660017338},
  note = {Source identifier: 19660017338}
}