@misc{indiciae557787a20b62,
  title = {A Critical Study of Agglomerated Multigrid Methods for Diffusion},
  author = {Nishikawa, Hiroaki and Diskin, Boris and Thomas, James L.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110005564},
  note = {Source identifier: 20110005564}
}