@misc{indiciaebc6fd71ac2e3,
  title = {Angular-spectrum representation of nondiffracting},
  author = {J Fagerholm and AT Friberg and J Huttunen and DP Morgan and MM Salomaa},
  year = {1996},
  doi = {10.1103/physreve.54.4347},
  url = {https://pubmed.ncbi.nlm.nih.gov/9965584/},
  note = {Source identifier: 9965584}
}