@misc{indiciaef6023d1c68f0,
  title = {Numerical methods for solving the planar vacuum Einstein equations.},
  author = {P Anninos and J Centrella and RA Matzner},
  year = {1991},
  doi = {10.1103/physrevd.43.1808},
  url = {https://pubmed.ncbi.nlm.nih.gov/10013557/},
  note = {Source identifier: 10013557}
}