@misc{indiciaef15136181116,
  title = {Multiple Coarse Grid Multigrid Methods for Solving Elliptic Problems},
  author = {Xiao, Shengyou and Young, David},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970006620},
  note = {Source identifier: 19970006620}
}