@misc{Levi-Civita_Tullio_(1873–1941)_Opere_1956,
 author={Levi-Civita, Tullio (1873–1941) and Nicola Zanichelli Editore. and Accademia nazionale dei Lincei.},
 address={Bologna},
 howpublished={online},
 year={1956},
 publisher={Nicola Zanichelli Editore},
 language={ita},
 title={Opere matematiche : memorie e note. Vol. 1, 1901-1907 / Spis i dodatki},
 type={Text},
 URL={http://www.rcin.org.pl/Content/159332/PDF/WA35_189110_11273-2_spis.pdf},
}