@article{Blo20,
  author    = {Michael Blondin},
  title     = {The {ABC}s of {P}etri net reachability relaxations},
  journal   = {ACM SIGLOG News},
  volume    = {7},
  number    = {3},
  year      = {2020},
  doi       = {10.1145/3436980.3436984}
}