@article{56497,
  author       = {{Cappello, Chiara and Naserasr, Reza and Steffen, Eckhard and Wang, Zhouningxin}},
  issn         = {{0012-365X}},
  journal      = {{Discrete Mathematics}},
  number       = {{1}},
  publisher    = {{Elsevier BV}},
  title        = {{{Critically 3-frustrated signed graphs}}},
  doi          = {{10.1016/j.disc.2024.114258}},
  volume       = {{348}},
  year         = {{2024}},
}

@article{51357,
  author       = {{Steffen, Eckhard and Wolf, Isaak Hieronymus}},
  issn         = {{0012-365X}},
  journal      = {{Discrete Mathematics}},
  keywords     = {{Discrete Mathematics and Combinatorics, Theoretical Computer Science}},
  publisher    = {{Elsevier BV}},
  title        = {{{Rotation r-graphs}}},
  doi          = {{10.1016/j.disc.2023.113457}},
  year         = {{2023}},
}