Search for: [Subject and Keywords = systemy informacyjne] OR [Subject and Keywords = zbiory przybliżone] OR [Subject and Keywords = teoria zbiorów przybliżonych] OR [Subject and Keywords = teoria decyzji] OR [Subject and Keywords = pojęcia nieostre] OR [Subject and Keywords = reprezentacja wiedzy] OR [Title = Rough sets present state and further prospects] OR [Creator = Pawlak, Zdzisław]