α radius does not exceed 2

Francesco Belardo, Xiaogang Liu, Jianfeng Wang, Jing Wang. α radius does not exceed 2. Discussiones Mathematicae Graph Theory, 40(2):677-690, 2020. [doi]

@article{BelardoLWW20,
  title = {α radius does not exceed 2},
  author = {Francesco Belardo and Xiaogang Liu and Jianfeng Wang and Jing Wang},
  year = {2020},
  doi = {10.7151/dmgt.2288},
  url = {https://doi.org/10.7151/dmgt.2288},
  researchr = {https://researchr.org/publication/BelardoLWW20},
  cites = {0},
  citedby = {0},
  journal = {Discussiones Mathematicae Graph Theory},
  volume = {40},
  number = {2},
  pages = {677-690},
}