@article{112356,
  author = {Andrew Dienstfrey and Fengbo Hang and Jingfang Huang},
  title = {Lattice Sums and the Two-dimensional, Periodic Green s Function for the Helmholtz Equation},
  year = {2001},
  number = {457},
  month = {2001-01-16},
  publisher = {Proceedings of the Royal Society A-Mathematical Physical and Engineering Sciences},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901516},
  language = {en},
}