@misc{Volterra_Vito_(1860–1940)_Sur_1908,
 author={Volterra, Vito (1860–1940)},
 volume={Vol. 2, 1893-1899},
 copyright={Public Domain},
 address={Roma},
 journal={Opere matematiche : memorie e note / Vito Volterra},
 howpublished={online},
 year={1908},
 publisher={Accademia Nazionale dei Lincei},
 language={fre},
 type={Text},
 title={Sur la théorie des variations des latitudes},
 URL={http://www.rcin.org.pl/Content/163496/PDF/WA35_196562_11086-2_29.pdf},
}