@article{Geo:77b,
  journal = {Stud. Cerc. Mat.},
  volume = {29},
  title = {Information storage and retrieval systems based on {$\theta $}-valued
           logic},
  year = {1977},
  fjournal = {Studii \c si Cercet\u ari Matematice},
  pages = {113--116},
  number = {2},
  author = {Georgescu, George},
}