@misc{_Nauczanie_1917-1918, copyright={Public Domain}, address={Warszawa}, howpublished={online}, year={1917-1918}, publisher={[Tadeusz Gutkowski]}, language={pol}, title={Nauczanie Matematyki i Fizyki R. 2 (1918) nr5}, type={Text}, URL={http://rcin.org.pl./Content/9580/PDF/WA35_6150_cz367-r1918-nr5_Nauczanie.pdf}, }