@misc{Sylvester_James_Joseph_(1814–1897)_Note_1904, author={Sylvester, James Joseph (1814–1897)}, copyright={Public Domain}, address={Cambridge}, howpublished={online}, year={1904}, publisher={Cambridge University Press}, language={eng}, title={Note on a remarkable modification of Sturm's theorem, and on a new rule for finding superior and inferior limits to the roots of an equation}, type={Text}, URL={http://rcin.org.pl/Content/114235/PDF/WA35_139358_11371-1_Art62.pdf}, }