Difference sets and power residues

Gábor Hegedüs. Difference sets and power residues. Australasian J. Combinatorics, 77:180-183, 2020. [doi]

@article{Hegedus20-1,
  title = {Difference sets and power residues},
  author = {Gábor Hegedüs},
  year = {2020},
  url = {http://ajc.maths.uq.edu.au/pdf/77/ajc_v77_p180.pdf},
  researchr = {https://researchr.org/publication/Hegedus20-1},
  cites = {0},
  citedby = {0},
  journal = {Australasian J. Combinatorics},
  volume = {77},
  pages = {180-183},
}