Search for: [Subject and Keywords = sztuczna inteligencja] OR [Subject and Keywords = zbiory rozmyte] OR [Subject and Keywords = Teoria Dempstera\-Schafera] OR [Subject and Keywords = teoria zbiorów przybliżonych] OR [Subject and Keywords = zbiory przyblizone] OR [Title = Rough set elements] OR [Creator = Pawlak, Zdzisław]