@misc{Volterra_Vito_(1860–1940)_Enrico_1892,
 author={Volterra, Vito (1860–1940)},
 volume={Vol. 1, 1881-1892},
 copyright={Public Domain},
 journal={Opere matematiche : memorie e note / Vito Volterra},
 address={Roma},
 howpublished={online},
 year={1892},
 publisher={Accademia Nazionale dei Lincei},
 language={ita},
 type={Text},
 title={Enrico Betti},
 URL={http://rcin.org.pl/Content/153163/PDF/WA35_185798_11086-1_37.pdf},
 keywords={Betti, Enrico (1823-1892)},
}