@article{Pippenger01,
  title = {Enumeration of Equicolorable Trees},
  author = {Nicholas Pippenger},
  year = {2001},
  url = {http://epubs.siam.org/sam-bin/dbq/article/36846},
  researchr = {https://researchr.org/publication/Pippenger01},
  cites = {0},
  citedby = {0},
  journal = {SIAM J. Discrete Math.},
  volume = {14},
  number = {1},
  pages = {93-115},
}