@misc{indiciae799dbbfd524e,
  title = {Discrete-symmetry vortices as angular Bloch modes.},
  author = {Albert Ferrando},
  year = {2005},
  doi = {10.1103/physreve.72.036612},
  url = {https://pubmed.ncbi.nlm.nih.gov/16241597/},
  note = {Source identifier: 16241597}
}