Finding a majority ball with majority answers

Máté Vizer, Dániel Gerbner, Balázs Keszegh, Dömötör Pálvölgyi, Balázs Patkós, Gábor Wiener. Finding a majority ball with majority answers. Electronic Notes in Discrete Mathematics, 49:345-351, 2015. [doi]

@article{VizerGKPPW15,
  title = {Finding a majority ball with majority answers},
  author = {Máté Vizer and Dániel Gerbner and Balázs Keszegh and Dömötör Pálvölgyi and Balázs Patkós and Gábor Wiener},
  year = {2015},
  doi = {10.1016/j.endm.2015.06.047},
  url = {http://dx.doi.org/10.1016/j.endm.2015.06.047},
  researchr = {https://researchr.org/publication/VizerGKPPW15},
  cites = {0},
  citedby = {0},
  journal = {Electronic Notes in Discrete Mathematics},
  volume = {49},
  pages = {345-351},
}