@article{CazCet:92,
  journal = {Acta Cybernet.},
  volume = {10},
  title = {Initial and final congruences},
  year = {1992},
  fjournal = {Acta Cybernetica},
  pages = {199--215},
  number = {3},
  author = {C{\u{a}}z{\u{a}}nescu, Virgil Emil and Ceterchi, Rodica},
}