@misc{indiciae8730de5749d3,
  title = {The lapse function in Friedmann—Lemaître–Robertson–Walker cosmologies},
  year = {2019},
  doi = {10.1016/j.aop.2019.167997},
  url = {https://www.osti.gov/biblio/22852365},
  note = {Source identifier: 22852365}
}