A note on a problem of Erdös and Hajnal

Keith J. Devlin. A note on a problem of Erdös and Hajnal. Discrete Mathematics, 11(1):9-22, 1975. [doi]

@article{Devlin75,
  title = {A note on a problem of Erdös and Hajnal},
  author = {Keith J. Devlin},
  year = {1975},
  doi = {10.1016/0012-365X(75)90101-6},
  url = {http://dx.doi.org/10.1016/0012-365X(75)90101-6},
  researchr = {https://researchr.org/publication/Devlin75},
  cites = {0},
  citedby = {0},
  journal = {Discrete Mathematics},
  volume = {11},
  number = {1},
  pages = {9-22},
}