@misc{indiciae62d2f7480474,
  title = {Recent improvements in efficiency, accuracy, and convergence for implicit approximate factorization algorithms},
  author = {Pulliam, T. H. and Steger, J. L.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850038717},
  note = {Source identifier: 19850038717}
}