Two problems in extremal graph theory

P. Erdös. Two problems in extremal graph theory. Graphs and Combinatorics, 2(1):189-190, 1986. [doi]

@article{Erdos86-0,
  title = {Two problems in extremal graph theory},
  author = {P. Erdös},
  year = {1986},
  doi = {10.1007/BF01788092},
  url = {http://dx.doi.org/10.1007/BF01788092},
  researchr = {https://researchr.org/publication/Erdos86-0},
  cites = {0},
  citedby = {0},
  journal = {Graphs and Combinatorics},
  volume = {2},
  number = {1},
  pages = {189-190},
}