@misc{Levi-Civita_Tullio_(1873–1941)_Sur_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={Sur l'instabilité de certaines solutions périodiques. « Comptes Rendus de l'Acad. des. Sc. de Paris », t. CXXX (1900), pp. 170-173},
 type={Text},
 URL={http://www.rcin.org.pl/Content/153680/PDF/WA35_186623_11273-1_Art34.pdf},
}