@article{kstepopacityindiscreteeventsystems,
  title = {K-Step Opacity in Discrete Event Systems: Verification, Complexity, and Relations},
  author = {Jiří Balun and Tomáš Masopust},
  year = {2021},
  eprint = {2109.02158},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.02158v1},
}