@misc{indiciae8b8a3f75b143,
  title = {Schwarzschild black-hole normal modes using the Hill determinant.},
  author = {B Majumdar and N Panchapakesan},
  year = {1989},
  doi = {10.1103/physrevd.40.2568},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012099/},
  note = {Source identifier: 10012099}
}