@misc{indiciaef76340437d39,
  title = {Convergence acceleration of the Proteus computer code with multigrid methods},
  author = {Demuren, A. O. and Ibraheem, S. O.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920023887},
  note = {Source identifier: 19920023887}
}