@misc{Levi-Civita_Tullio_(1873–1941)_Sui_1954,
 author={Levi-Civita, Tullio (1873–1941) and Nicola Zanichelli Editore. and Accademia nazionale dei Lincei.},
 address={Bologna},
 howpublished={online},
 year={1954},
 publisher={Nicola Zanichelli Editore},
 language={ita},
 title={Sui numeri transfiniti: Nota II. Ibidem, pp. 113-121},
 type={Text},
 URL={http://rcin.org.pl/Content/153657/PDF/WA35_186403_11273-1_Art23.pdf},
}