@article{NegSulFlo:77,
  journal = {Econom. Comp. Econom. Cybernet. Stud. Res.},
  title = {On fuzzy environment in optimization problems},
  author = {Negoi\c t\u a, Constantin Virgil and Flondor, Paul and Sularia,
            Mircea},
  year = {1977},
  fjournal = {Economic Computation and Economic Cybernetics Studies and
              Research},
  pages = {13--24},
  number = {1},
}