The smallest regular graphs which are not 1-extendable

Lutz Volkmann. The smallest regular graphs which are not 1-extendable. Ars Comb., 104:179-184, 2012.

@article{Volkmann12-0,
  title = {The smallest regular graphs which are not 1-extendable},
  author = {Lutz Volkmann},
  year = {2012},
  researchr = {https://researchr.org/publication/Volkmann12-0},
  cites = {0},
  citedby = {0},
  journal = {Ars Comb.},
  volume = {104},
  pages = {179-184},
}