@misc{indiciae72a7de9a0d07,
  title = {A conservative implicit finite difference algorithm for the unsteady transonic full potential equation},
  author = {Steger, J. L. and Caradonna, F. X.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810003510},
  note = {Source identifier: 19810003510}
}