@article{on-the-k-independence-number-of-graphs,
  title = {{On the k-independence number of graphs}},
  author = {A Abiad and G Coutinho and MA Fiol},
  year = {2019},
  journal = {Discrete Mathematics 2019},
  eprint = {1803.07042},
  archivePrefix = {arXiv},
  url = {https://www.sciencedirect.com/science/article/abs/pii/S0012365X19300275}
}