Acyclic and Totally Cyclic Orientations in Planar Graphs

Marc Noy. Acyclic and Totally Cyclic Orientations in Planar Graphs. The American Mathematical Monthly, 108(1):66-68, 2001. [doi]

@article{Noy01,
  title = {Acyclic and Totally Cyclic Orientations in Planar Graphs},
  author = {Marc Noy},
  year = {2001},
  url = {http://www.jstor.org/stable/2695680},
  researchr = {https://researchr.org/publication/Noy01},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {108},
  number = {1},
  pages = {66-68},
}