To cite package ‘kelvin’ in publications use:

Barbour AJ (2025). kelvin: Calculate Solutions to the Kelvin Differential Equation using Bessel Functions. R package version 2.0-3, https://github.com/abarbour/kelvin.

Corresponding BibTeX entry:

  @Manual{,
    title = {kelvin: Calculate Solutions to the Kelvin Differential
      Equation using Bessel Functions},
    author = {Andrew J. Barbour},
    year = {2025},
    note = {R package version 2.0-3},
    url = {https://github.com/abarbour/kelvin},
  }