@article{NegSulFlo:78,
  journal = {Avtomat. i Telemeh.},
  title = {Optimization problem in fuzzy environments},
  author = {Negoi\c t\u a, Constantin Virgil and Sularia, Mircea and Flondor,
            Paul},
  year = {1978},
  fjournal = {Avtomat. i Telemeh.},
  pages = {121--130},
  number = {3},
}