@misc{indiciae0e4298a7aefa,
  title = {Multigrid method with weighted mean scheme},
  author = {Lustman, L. R. and Huynh, Q. and Hussaini, M. Y.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810025339},
  note = {Source identifier: 19810025339}
}