@misc{indiciaeca0be5b83661,
  title = {Nonlinear spectral characterization of discrete data.},
  author = {M Boiti and J Leon and F Pempinelli},
  year = {1996},
  doi = {10.1103/physreve.54.5739},
  url = {https://pubmed.ncbi.nlm.nih.gov/9965761/},
  note = {Source identifier: 9965761}
}