@misc{indiciaea7ea579ca0f5,
  title = {The bounce and its negative eigenvalue: A new approach.},
  author = {CA Bonato and MT Thomaz and AP Malbouisson},
  year = {1990},
  doi = {10.1103/physrevd.41.1939},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012567/},
  note = {Source identifier: 10012567}
}