@article{Rud:89a,
  journal = {An. Univ. Bucure\c sti Mat. Inform.},
  volume = {38},
  title = {Behaviouristic automata. {I}. {M}inimal automata},
  year = {1989},
  fjournal = {Analele Universit\u a\c tii Bucure\c sti. Matematic\u
              a-Informatic\u a},
  pages = {64--71},
  number = {2},
  author = {Rudeanu, Sergiu},
}