@misc{indiciaef3ce7db5939f,
  title = {Evolution of the density parameter in multidimensional cosmology.},
  author = {M Szydlowski and M Heller and B Lapeta},
  year = {1993},
  doi = {10.1103/physrevd.47.460},
  url = {https://pubmed.ncbi.nlm.nih.gov/10015600/},
  note = {Source identifier: 10015600}
}