@article{lee2016generalised,
  title = "Generalised phase kick-back: the structure of computational algorithms from physical principles",
  author = "Lee, Ciar{\'a}n M and Selby, John H",
  year = "2016",
  journal = "New Journal of Physics",
  number = "3",
  pages = "033023",
  publisher = "IOP Publishing",
  volume = "18",
}