BirdP99'

BibTeX

@article{DBLP:journals/jfp/BirdP99,
  author    = {Richard S. Bird and
               Ross Paterson},
  title     = {De Bruijn Notation as a Nested Datatype},
  journal   = {J. Funct. Program.},
  volume    = {9},
  number    = {1},
  year      = {1999},
  pages     = {77-91},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}