@misc{indiciae76e0c5bd4e8f,
  title = {Gravitational-wave background in multidimensional cosmological models.},
  author = {M Demianski and AG Polnarev and P Naselsky},
  year = {1993},
  doi = {10.1103/physrevd.47.5275},
  url = {https://pubmed.ncbi.nlm.nih.gov/10015549/},
  note = {Source identifier: 10015549}
}