@misc{indiciae6b933961617a,
  title = {Preconditioned conjugate-gradient methods for low-speed flow calculations},
  author = {Ajmani, Kumud and Ng, Wing-Fai and Liou, Meng-Sing},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930005696},
  note = {Source identifier: 19930005696}
}