Search for: [Subject and Keywords = informatyka] OR [Subject and Keywords = matematyka] OR [Subject and Keywords = systemy informacyjne] OR [Subject and Keywords = logika matematyczna] OR [Subject and Keywords = wyszukiwanie informacji] OR [Subject and Keywords = gromadzenie informacji] OR [Title = Mathematical foundations of information storage and retrieval. part 3] OR [Creator = Pawlak, Zdzisław] OR [Creator = Marek, Wiktor]