@misc{indiciae9d7a01bcbebf,
  title = {Vortex array carried by a pseudo-nondiffracting beam.},
  author = {Zdenek Bouchal},
  year = {2004},
  doi = {10.1364/josaa.21.001694},
  url = {https://pubmed.ncbi.nlm.nih.gov/15384436/},
  note = {Source identifier: 15384436}
}