@article{Lefevre06,
  title = {Maximal triangle trades with foundation 5 (mod 6) - the final case},
  author = {James G. Lefevre},
  year = {2006},
  researchr = {https://researchr.org/publication/Lefevre06},
  cites = {0},
  citedby = {0},
  journal = {Ars Comb.},
  volume = {81},
}