@misc{indiciae0963e0778a2a,
  title = {An extended Lagrangian method for subsonic flows},
  author = {Liou, Meng-Sing and Loh, Ching Y.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19950063861},
  note = {Source identifier: 19950063861}
}