@article{Mazzuoccolo13-1,
  title = {r-Graph},
  author = {Giuseppe Mazzuoccolo},
  year = {2013},
  doi = {10.1002/jgt.21682},
  url = {http://dx.doi.org/10.1002/jgt.21682},
  researchr = {https://researchr.org/publication/Mazzuoccolo13-1},
  cites = {0},
  citedby = {0},
  journal = {Journal of Graph Theory},
  volume = {73},
  number = {4},
  pages = {377},
}