@article{Geo:82d,
  journal = {Bull. Math. Soc. Sci. Math. R. S. Roumanie (N.S.)},
  volume = {26(74)},
  title = {A generalized quantifier for the hereditary {$\sigma $}-rings},
  year = {1982},
  fjournal = {Bulletin Math\'ematique de la Soci\'et\'e des Sciences
              Math\'ematiques de la R\'epublique Socialiste de Roumanie.
              Nouvelle S\'erie},
  pages = {237--240},
  number = {3},
  author = {Georgescu, George},
}