@misc{indiciae76e773473434,
  title = {Cosmological multi-black-hole solutions.},
  author = {D Kastor and J Traschen},
  year = {1993},
  doi = {10.1103/physrevd.47.5370},
  url = {https://pubmed.ncbi.nlm.nih.gov/10015559/},
  note = {Source identifier: 10015559}
}