@misc{indiciae2847000e35e0,
  title = {Bow-tie effect: differential operator.},
  author = {Albertina Castro and Jorge Ojeda-Castañeda and Adolf W Lohmann},
  year = {2006},
  doi = {10.1364/ao.45.007878},
  url = {https://pubmed.ncbi.nlm.nih.gov/17068523/},
  note = {Source identifier: 17068523}
}