@misc{indiciaee8861bc35e10,
  title = {An effective multigrid method for high-speed flows},
  author = {Swanson, R. C. and Turkel, E. and White, J. A.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930026536},
  note = {Source identifier: 19930026536}
}