Search for: [Subject and Keywords = zbiory rozmyte] OR [Subject and Keywords = zbiory przybliżone] OR [Subject and Keywords = logika rozmyta] OR [Subject and Keywords = zbiory] OR [Subject and Keywords = teoria zbiorów przybliżonych] OR [Subject and Keywords = pojęcia nieostre] OR [Subject and Keywords = antynomia] OR [Title = A treatise on rough sets] OR [Creator = Pawlak, Zdzisław]