@misc{indiciae7db2c28256fa,
  title = {An automatic multigrid method for the solution of sparse linear systems},
  author = {Shapira, Yair and Israeli, Moshe and Sidi, Avram},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940017005},
  note = {Source identifier: 19940017005}
}