@misc{indiciae3c9fc01d01f1,
  title = {Progress with multigrid schemes for hypersonic flow problems},
  author = {Radespiel, R. and Swanson, R. C.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920005829},
  note = {Source identifier: 19920005829}
}