@misc{indiciae601b1a20979b,
  title = {Nonunique solutions to the transonic potential flow equation},
  author = {Salas, M. D. and Gumbert, C. R. and Turkel, E.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840034661},
  note = {Source identifier: 19840034661}
}