@misc{indiciaebbd92ae694bb,
  title = {A variant of nested dissection for solving n by n grid problems},
  author = {George, A. and Poole, W. G., Jr. and Voigt, R. G.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770009873},
  note = {Source identifier: 19770009873}
}