@misc{indiciae620f34f1fc4f,
  title = {Potential flows in general relativity: Nonlinear and time-dependent solutions.},
  author = {AM Abrahams and SL Shapiro},
  year = {1990},
  doi = {10.1103/physrevd.41.327},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012338/},
  note = {Source identifier: 10012338}
}