@misc{Gabryl_Franciszek_(1866–1914)_Logika_1912, author={Gabryl, Franciszek (1866–1914)}, copyright={Public Domain}, address={Kraków}, howpublished={online}, year={1912}, publisher={nakładem autora}, publisher={(Drukarnia Uniwersytetu Jagiellońskiego)}, language={pol}, title={Logika ogólna}, type={Text}, keywords={logic}, }