@misc{Panizza_Francesco_Esercizii_1898, author={Panizza, Francesco}, copyright={Public Domain}, address={Milano}, journal={Manuali Hoepli}, howpublished={online}, year={1898}, publisher={Ulrico Hoepli}, publisher={(Tip. Lombardi di M. Bellinzaghi)}, language={ita}, language={ita}, title={Esercizii di aritmetica razionale}, type={Text}, URL={http://rcin.org.pl/Content/34414/PDF/WA35_52810_5388_Esercizii.pdf}, }