The uniqueness of a generalized hexagon of order 3 containing a subhexagon of order (1, 3)

@article{Medts2009TheUO,
  title={The uniqueness of a generalized hexagon of order 3 containing a subhexagon of order (1, 3)},
  author={Tom De Medts and Hendrik Van Maldeghem},
  journal={Discrete Mathematics},
  year={2009},
  volume={309},
  pages={714-720}
}
We show that a generalized hexagon of order 3 which contains a subhexagon of order (1, 3) must be the split Cayley hexagon H(3). MSC-2000 : 51E12 keywords : generalized hexagon, split-Cayley hexagon, incidence geometry