@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)}, }