András Gács. On the Size of the Smallest Non-Classical Blocking Set of Rédei Type in PG(2, p). Journal of Combinatorial Theory, Series A, 89(1):43-54, 2000. [doi]
@article{Gacs00:0,
  title = {On the Size of the Smallest Non-Classical Blocking Set of Rédei Type in PG(2, p)},
  author = {András Gács},
  year = {2000},
  doi = {10.1006/jcta.1999.2998},
  url = {http://dx.doi.org/10.1006/jcta.1999.2998},
  researchr = {https://researchr.org/publication/Gacs00%3A0},
  cites = {0},
  citedby = {0},
  journal = {Journal of Combinatorial Theory, Series A},
  volume = {89},
  number = {1},
  pages = {43-54},
}