The number of Huffman codes, compact trees, and sums of unit fractions (bibtex)
by Christian Elsholtz, Clemens Heuberger, Helmut Prodinger
Reference:
Christian Elsholtz, Clemens Heuberger, Helmut Prodinger, The number of Huffman codes, compact trees, and sums of unit fractions, IEEE Transactions on Information Theory, 59, 1065-1075, (2013).
Bibtex Entry:
@Article{Elsholtz-Heuberger-Prodinger:2013:huffm,
  author    = {Christian Elsholtz and Clemens Heuberger and Helmut Prodinger},
  title     = {The number of {H}uffman codes, compact trees, and sums of unit fractions},
  journal   = {IEEE Transactions on Information Theory},
  volume    = {59},
  year      = 2013,
  pages     = {1065-1075},
  doi       = {10.1109/TIT.2012.2226560},
  arxiv     = {1108.5964},
  MRNUMBER  = {3015716},
}