@misc{indiciae50ca3343f82e,
  title = {Second order accurate finite difference approximations for the transonic small disturbance equation and the full potential equation},
  author = {Mostrel, M. M.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890047369},
  note = {Source identifier: 19890047369}
}